Uncaught Error: ve.dm.Document.getBranchNodeFromOffset(): offset 49 is out of bounds

at ve.dm.Document.prototype.getBranchNodeFromOffset URL1:291:724
at ve.dm.Document.prototype.fixupInsertion URL1:295:847
at ve.dm.TransactionBuilder.prototype.pushInsertion URL1:183:977
at ve.dm.TransactionBuilder.static.newFromReplacement URL1:170:248
at ve.ce.TextState.prototype.getChangeTransaction URL1:431:752
at ve.ce.Surface.prototype.handleObservedChanges URL1:547:793
at ve.ce.SurfaceObserver.prototype.pollOnceInternal URL1:574:802
at ve.ce.SurfaceObserver.prototype.pollOnce URL1:574:191
at ve.ce.Surface.prototype.afterDocumentKeyDown URL1:519:860
at ve.EventSequencer.prototype.callListener URL1:92:776
at ve.EventSequencer.prototype.afterEvent URL1:90:769
at ve.EventSequencer.prototype.runPendingCalls URL1:92:365
at ve.EventSequencer.prototype.onEvent URL1:89:913
at makeEventHandler/< URL1:87:930
at dispatch URL2:270:742
at add/elemData.handle URL2:267:388