Try ignore mysterious error about docIds not existing..

Author: Treora

src/components/StemItem.jsx

@@ -35,7 +35,12 @@ function mapStateToProps(state, {docId, canvasItemId}) {
     let doc = {}
     // Get the document from storage unless docId is not a real doc.
     if (!docId.startsWith('emptyItem') && docId !== undefined) {
-        doc = storage.getDoc(state.storage, docId)
+        try {
+            doc = storage.getDoc(state.storage, docId)
+        } catch (err) {
+            console.error(err)
+            return {}
+        }
     }
 
     let canvasItem

src/sagas.js

@@ -35,7 +35,11 @@ for (let sourceAction in hookedActions) {
 function bindHandler(sourceAction, actionHandler) {
     return function* actionListener() {
         yield* takeEvery(sourceAction, function* (actionObject) {
-            yield put(actionHandler(actionObject.payload))
+            try {
+                yield put(actionHandler(actionObject.payload))
+            } catch (err) {
+                console.error(`Error in saga handling ${sourceAction}: ${err}`)
+            }
         })
     }
 }