diff --git a/assets/layers/visitor_information_centre/visitor_information_centre.json b/assets/layers/visitor_information_centre/visitor_information_centre.json
index 32496969d..c1bdaecba 100644
--- a/assets/layers/visitor_information_centre/visitor_information_centre.json
+++ b/assets/layers/visitor_information_centre/visitor_information_centre.json
@@ -34,9 +34,13 @@
   },
   "minzoom": 12,
   "title": {
-    "render": {
-      "*": "{name}"
-    }
+    "render": "{name}",
+    "mappings": [{
+      "if": "name=",
+      "then": {
+        "en": "Information office"
+      }
+    }]
   },
   "pointRendering": [
     {
diff --git a/src/Logic/ImageProviders/WikimediaImageProvider.ts b/src/Logic/ImageProviders/WikimediaImageProvider.ts
index 1f6f54743..b3ae9902a 100644
--- a/src/Logic/ImageProviders/WikimediaImageProvider.ts
+++ b/src/Logic/ImageProviders/WikimediaImageProvider.ts
@@ -204,7 +204,7 @@ export class WikimediaImageProvider extends ImageProvider {
         return undefined
     }
 
-    visitUrl(img: ProvidedImage): string | undefined {
+    visitUrl(img: {id: string}): string | undefined {
         return "https://commons.wikimedia.org/wiki/"+img.id
     }
 }
diff --git a/src/Models/ThemeConfig/PointRenderingConfig.ts b/src/Models/ThemeConfig/PointRenderingConfig.ts
index 7513920a3..4830ac113 100644
--- a/src/Models/ThemeConfig/PointRenderingConfig.ts
+++ b/src/Models/ThemeConfig/PointRenderingConfig.ts
@@ -12,8 +12,6 @@ import { VariableUiElement } from "../../UI/Base/VariableUIElement"
 import { TagRenderingConfigJson } from "./Json/TagRenderingConfigJson"
 import SvelteUIElement from "../../UI/Base/SvelteUIElement"
 import DynamicMarker from "../../UI/Map/DynamicMarker.svelte"
-import { UIElement } from "../../UI/UIElement"
-import Img from "../../UI/Base/Img"
 
 export class IconConfig extends WithContextLoader {
     public static readonly defaultIcon = new IconConfig({ icon: "pin", color: "#ff9939" })
@@ -98,6 +96,9 @@ export default class PointRenderingConfig extends WithContextLoader {
         this.labelCss = this.tr("labelCss", undefined)
         this.labelCssClasses = this.tr("labelCssClasses", undefined)
         this.iconBadges = (json.iconBadges ?? []).map((overlay, i) => {
+            if(typeof overlay === "string"){
+                throw "Found an invalid,unexpanded overlay"
+            }
             return {
                 if: TagUtils.Tag(overlay.if),
                 then: new TagRenderingConfig(overlay.then, `iconBadges.${i}`),
diff --git a/src/UI/Base/SvelteUIElement.ts b/src/UI/Base/SvelteUIElement.ts
index 4f93c93bb..c3242049b 100644
--- a/src/UI/Base/SvelteUIElement.ts
+++ b/src/UI/Base/SvelteUIElement.ts
@@ -38,7 +38,6 @@ export default class SvelteUIElement<
         this._props = props ?? <Props>{}
         this._events = events
         this._slots = slots
-        console.trace("Constructing a special stack element")
     }
 
     public setSpan() {
diff --git a/src/UI/Base/ToSvelte.svelte b/src/UI/Base/ToSvelte.svelte
index cb7dca98b..3b56f0562 100644
--- a/src/UI/Base/ToSvelte.svelte
+++ b/src/UI/Base/ToSvelte.svelte
@@ -9,19 +9,27 @@
   let isSvelte = false
   let uiElement: BaseUIElement | SvelteUIElement | undefined
   let svelteElem: SvelteUIElement
+  let err = false
   onMount(() => {
-    uiElement = typeof construct === "function" ? construct() : construct
+    try {
 
-    if (uiElement?.["isSvelte"]) {
-      isSvelte = true
-      svelteElem = <SvelteUIElement>uiElement
-      return
-    }
+      uiElement = typeof construct === "function" ? construct() : construct
 
-    html = uiElement?.ConstructElement()
+      if (uiElement?.["isSvelte"]) {
+        isSvelte = true
+        svelteElem = <SvelteUIElement>uiElement
+        return
+      }
 
-    if (html !== undefined) {
-      elem?.replaceWith(html)
+      html = uiElement?.ConstructElement()
+
+      if (html !== undefined) {
+        elem?.replaceWith(html)
+      }
+
+    } catch (e) {
+      console.error("Could not construct a ToSvelte:", e)
+      err = true
     }
   })
 
@@ -30,17 +38,20 @@
     uiElement?.Destroy()
   })
 </script>
-
-{#if svelteElem?._svelteComponent}
-  {#if svelteElem.getClass() || svelteElem.getStyle()}
-    <svelte:component
-      this={svelteElem?._svelteComponent}
-      {...svelteElem._props}
-      class={svelteElem.getClass()}
-      style={svelteElem.getStyle()}
-    />
-  {:else}
-    <svelte:component this={svelteElem?._svelteComponent} {...svelteElem._props} />
+{#if err}
+  <div class="alert">Something went wrong</div>
+{:else if isSvelte}
+  {#if svelteElem?._svelteComponent}
+    {#if svelteElem.getClass() || svelteElem.getStyle()}
+      <svelte:component
+        this={svelteElem?._svelteComponent}
+        {...svelteElem._props}
+        class={svelteElem.getClass()}
+        style={svelteElem.getStyle()}
+      />
+    {:else}
+      <svelte:component this={svelteElem?._svelteComponent} {...svelteElem._props} />
+    {/if}
   {/if}
 {:else}
   <span bind:this={elem} />
diff --git a/src/UI/OpeningHours/NextChangeViz.svelte b/src/UI/OpeningHours/NextChangeViz.svelte
index 91e246155..6e3d53f54 100644
--- a/src/UI/OpeningHours/NextChangeViz.svelte
+++ b/src/UI/OpeningHours/NextChangeViz.svelte
@@ -16,19 +16,34 @@
   export let keyToUse: string = "opening_hours"
   export let prefix: string = undefined
   export let postfix: string = undefined
-  let oh: Store<opening_hours | "error" | undefined> = OH.CreateOhObjectStore(
+  let oh: Store<opening_hours | undefined> = OH.CreateOhObjectStore(
     tags,
     keyToUse,
     prefix,
     postfix
-  )
+  ).map(oh => (typeof oh === "string") ? undefined : oh)
 
-  let currentState = oh.mapD((oh) => (typeof oh === "string" ? undefined : oh.getState()))
+  let currentState = oh.mapD((oh) => {
+    try {
+      return oh.getState()
+
+    } catch (e) {
+      console.error("Could not getState for current OpeningHOurs:", e)
+      return undefined
+    }
+  })
   let tomorrow = new Date()
   tomorrow.setTime(tomorrow.getTime() + 24 * 60 * 60 * 1000)
   let nextChange = oh
     .mapD(
-      (oh) => (typeof oh === "string" ? undefined : oh.getNextChange(new Date(), tomorrow)),
+      (oh) => {
+        try {
+          return (oh.getNextChange(new Date(), tomorrow))
+        } catch (e) {
+          console.error("Could not getNextChange", e)
+          return undefined
+        }
+      },
       [Stores.Chronic(5 * 60 * 1000)]
     )
     .mapD((date) => Utils.TwoDigits(date.getHours()) + ":" + Utils.TwoDigits(date.getMinutes()))
diff --git a/src/UI/OpeningHours/Visualisation/OpeningHours.svelte b/src/UI/OpeningHours/Visualisation/OpeningHours.svelte
index 9596d231f..25e1eff5d 100644
--- a/src/UI/OpeningHours/Visualisation/OpeningHours.svelte
+++ b/src/UI/OpeningHours/Visualisation/OpeningHours.svelte
@@ -3,27 +3,26 @@
    * Full opening hours visualisations table, dispatches to special cases
    */
 
+  import type { OpeningRange } from "../OpeningHours"
   import { OH, ToTextualDescription } from "../OpeningHours"
   import opening_hours from "opening_hours"
   import { ariaLabel } from "../../../Utils/ariaLabel"
   import RegularOpeningHoursTable from "./RegularOpeningHoursTable.svelte"
   import SpecialCase from "./SpecialCase.svelte"
   import { Translation } from "../../i18n/Translation"
-  import type { OpeningRange } from "../OpeningHours"
 
   export let opening_hours_obj: opening_hours
-
-  let applicableWeek = OH.createRangesForApplicableWeek(opening_hours_obj)
   let oh = opening_hours_obj
 
+  export let applicableWeek: { ranges: OpeningRange[][]; startingMonday: Date }
+
+  let ranges = applicableWeek.ranges
+  let lastMonday = applicableWeek.startingMonday
+
   let textual: Translation = ToTextualDescription.createTextualDescriptionFor(
     oh,
     applicableWeek.ranges
   )
-  let applicableWeekRanges: { ranges: OpeningRange[][]; startingMonday: Date } =
-    OH.createRangesForApplicableWeek(oh)
-  let ranges = applicableWeekRanges.ranges
-  let lastMonday = applicableWeekRanges.startingMonday
 </script>
 
 <div use:ariaLabel={textual} class="no-weblate">
diff --git a/src/UI/OpeningHours/Visualisation/OpeningHoursRangeElement.svelte b/src/UI/OpeningHours/Visualisation/OpeningHoursRangeElement.svelte
index e99aab8f5..0bec33f86 100644
--- a/src/UI/OpeningHours/Visualisation/OpeningHoursRangeElement.svelte
+++ b/src/UI/OpeningHours/Visualisation/OpeningHoursRangeElement.svelte
@@ -6,7 +6,6 @@
    */
   export let availableArea: number
   export let earliestOpen: number
-  export let latestclose: number
   export let range: OpeningRange
   export let isWeekstable: boolean
 
diff --git a/src/UI/OpeningHours/Visualisation/OpeningHoursWithError.svelte b/src/UI/OpeningHours/Visualisation/OpeningHoursWithError.svelte
index 18e7a2110..b5b23f876 100644
--- a/src/UI/OpeningHours/Visualisation/OpeningHoursWithError.svelte
+++ b/src/UI/OpeningHours/Visualisation/OpeningHoursWithError.svelte
@@ -8,10 +8,24 @@
   import Loading from "../../Base/Loading.svelte"
   import Tr from "../../Base/Tr.svelte"
   import OpeningHours from "./OpeningHours.svelte"
+  import { OH } from "../OpeningHours"
+  import AccordionSingle from "../../Flowbite/AccordionSingle.svelte"
 
   export let tags: UIEventSource<Record<string, string>>
   export let opening_hours_obj: Store<opening_hours | "error">
   export let key: string
+
+  let applicableWeek = opening_hours_obj.map(oh => {
+    if (oh === "error") {
+      return "error"
+    }
+    try {
+      return OH.createRangesForApplicableWeek(oh)
+    } catch (e) {
+      return e.toString()
+    }
+  })
+
 </script>
 
 {#if $tags._country === undefined}
@@ -20,8 +34,18 @@
   </Loading>
 {:else if $opening_hours_obj === undefined}
   <div class="alert">No opening hours defined with key {key}</div>
-{:else if $opening_hours_obj === "error"}
-  <Tr cls="alert" t={Translations.t.general.opening_hours.error_loading} />
+{:else if typeof $applicableWeek === "string"}
+  <div class="alert" style="margin-top: 1rem">
+    <Tr t={Translations.t.general.opening_hours.error_loading} />
+  </div>
+  {#if $applicableWeek !== "error"}
+    <AccordionSingle noBorder>
+      <div slot="header" class="subtle text-sm">Technical details</div>
+    <div class="subtle">
+      {$applicableWeek}
+    </div>
+    </AccordionSingle>
+  {/if}
 {:else}
-  <OpeningHours opening_hours_obj={$opening_hours_obj} />
+  <OpeningHours opening_hours_obj={$opening_hours_obj} applicableWeek={$applicableWeek} />
 {/if}
diff --git a/src/UI/OpeningHours/Visualisation/RegularOpeningHoursTable.svelte b/src/UI/OpeningHours/Visualisation/RegularOpeningHoursTable.svelte
index f6c98c5d6..a68f7c8b5 100644
--- a/src/UI/OpeningHours/Visualisation/RegularOpeningHoursTable.svelte
+++ b/src/UI/OpeningHours/Visualisation/RegularOpeningHoursTable.svelte
@@ -115,7 +115,6 @@
               <OpeningHoursRangeElement
                 {availableArea}
                 {earliestOpen}
-                {latestclose}
                 {range}
                 {isWeekstable}
               />
diff --git a/src/UI/Popup/DataVisualisations.ts b/src/UI/Popup/DataVisualisations.ts
index 05b15f471..26cbf307f 100644
--- a/src/UI/Popup/DataVisualisations.ts
+++ b/src/UI/Popup/DataVisualisations.ts
@@ -108,7 +108,7 @@ class OpeningHoursTableVis extends SpecialVisualizationSvelte {
         },
     ]
     group = "data"
-    needsUrls = [Constants.countryCoderEndpoint]
+    needsUrls = [Constants.countryCoderInfo]
     example =
         "A normal opening hours table can be invoked with `{opening_hours_table()}`. A table for e.g. conditional access with opening hours can be `{opening_hours_table(access:conditional, no @ &LPARENS, &RPARENS)}`"
 
diff --git a/src/UI/Popup/ShareLinkViz.ts b/src/UI/Popup/ShareLinkViz.ts
index 903722ac9..cc0c86ccc 100644
--- a/src/UI/Popup/ShareLinkViz.ts
+++ b/src/UI/Popup/ShareLinkViz.ts
@@ -21,7 +21,6 @@ export class ShareLinkViz extends SpecialVisualizationSvelte {
         },
     ]
     needsUrls = []
-    svelteBased = true
 
     public constr(
         state: SpecialVisualizationState,
diff --git a/src/UI/SpecialVisualisations/DataImportSpecialVisualisations.ts b/src/UI/SpecialVisualisations/DataImportSpecialVisualisations.ts
index 2bf504fd1..f50608b0b 100644
--- a/src/UI/SpecialVisualisations/DataImportSpecialVisualisations.ts
+++ b/src/UI/SpecialVisualisations/DataImportSpecialVisualisations.ts
@@ -16,8 +16,9 @@ import ComparisonTool from "../Comparison/ComparisonTool.svelte"
 import { Utils } from "../../Utils"
 import TagApplyViz from "./TagApplyViz"
 import { ServerSourceInfo } from "../../Models/SourceOverview"
+import MaprouletteSetStatus from "../MapRoulette/MaprouletteSetStatus.svelte"
 
-class MaprouletteSetStatus extends SpecialVisualizationSvelte {
+class MaprouletteSetStatusVis extends SpecialVisualizationSvelte {
     funcName = "maproulette_set_status"
     group = "data_import"
     docs = "Change the status of the given MapRoulette task"
@@ -305,7 +306,7 @@ export class DataImportSpecialVisualisations {
             new WayImportButtonViz(),
             new ConflateImportButtonViz(),
             new PlantNetDetectionViz(),
-            new MaprouletteSetStatus(),
+            new MaprouletteSetStatusVis(),
             new LinkedDataFromWebsite(),
             new CompareData(),
         ]
diff --git a/src/UI/SpecialVisualisations/NoteVisualisations.ts b/src/UI/SpecialVisualisations/NoteVisualisations.ts
index 00c9aa2d4..02cfe964a 100644
--- a/src/UI/SpecialVisualisations/NoteVisualisations.ts
+++ b/src/UI/SpecialVisualisations/NoteVisualisations.ts
@@ -1,8 +1,4 @@
-import {
-    SpecialVisualization,
-    SpecialVisualizationState,
-    SpecialVisualizationSvelte,
-} from "../SpecialVisualization"
+import { SpecialVisualization, SpecialVisualizationState, SpecialVisualizationSvelte } from "../SpecialVisualization"
 import Constants from "../../Models/Constants"
 import { UIEventSource } from "../../Logic/UIEventSource"
 import { Feature } from "geojson"
@@ -13,7 +9,6 @@ import { Utils } from "../../Utils"
 import CloseNoteButton from "../Popup/Notes/CloseNoteButton.svelte"
 import Translations from "../i18n/Translations"
 import AddNoteComment from "../Popup/Notes/AddNoteComment.svelte"
-import { Imgur } from "../../Logic/ImageProviders/Imgur"
 import UploadImage from "../Image/UploadImage.svelte"
 import { VariableUiElement } from "../Base/VariableUIElement"
 import Combine from "../Base/Combine"
@@ -81,7 +76,7 @@ class CloseNoteViz extends SpecialVisualizationSvelte {
 
 class AddNoteCommentViz extends SpecialVisualizationSvelte {
     funcName = "add_note_comment"
-    needsUrls = [Constants.osmAuthConfig.url]
+    needsUrls = [Constants.osmAuthConfig]
     docs = "A textfield to add a comment to a node (with the option to close the note)."
     args = [
         {
@@ -104,7 +99,7 @@ class OpenNote extends SpecialVisualizationSvelte {
     funcName = "open_note"
     args = []
     group = "notes"
-    needsUrls = [Constants.osmAuthConfig.url]
+    needsUrls = [Constants.osmAuthConfig]
     docs = "Creates a new map note on the given location. This options is placed in the 'last_click'-popup automatically if the 'notes'-layer is enabled"
 
     constr(
@@ -157,7 +152,7 @@ class VisualiseNoteComment extends SpecialVisualization {
             defaultValue: "0",
         },
     ]
-    needsUrls = [Constants.osmAuthConfig.url]
+    needsUrls = [Constants.osmAuthConfig]
 
     constr(state, tags, args) {
         return new VariableUiElement(
diff --git a/src/UI/SpecialVisualisations/TagrenderingManipulationSpecialVisualisations.ts b/src/UI/SpecialVisualisations/TagrenderingManipulationSpecialVisualisations.ts
index a8355b609..1e8c550ad 100644
--- a/src/UI/SpecialVisualisations/TagrenderingManipulationSpecialVisualisations.ts
+++ b/src/UI/SpecialVisualisations/TagrenderingManipulationSpecialVisualisations.ts
@@ -33,7 +33,6 @@ class StealViz extends SpecialVisualization {
         },
     ]
     needsUrls = []
-    svelteBased = true
 
     constr(state: SpecialVisualizationState, featureTags, args) {
         const [featureIdKey, layerAndtagRenderingIds] = args
diff --git a/src/UI/SpecialVisualisations/WebAndCommunicationSpecialVisualisations.ts b/src/UI/SpecialVisualisations/WebAndCommunicationSpecialVisualisations.ts
index 46c729d75..4d76dfbd1 100644
--- a/src/UI/SpecialVisualisations/WebAndCommunicationSpecialVisualisations.ts
+++ b/src/UI/SpecialVisualisations/WebAndCommunicationSpecialVisualisations.ts
@@ -189,7 +189,7 @@ class LinkVis extends SpecialVisualizationSvelte {
             ariaLabel: tagSource.map((tags) => Utils.SubstituteKeys(ariaLabel, tags)),
             newTab: new ImmutableStore(newTab),
             icon: tagSource.map((tags) => Utils.SubstituteKeys(icon, tags)),
-        }).setSpan()
+        })
     }
 }
 export class WebAndCommunicationSpecialVisualisations {