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  • geinian 6 posts 76 karma points
    Nov 14, 2019 @ 13:17
    geinian
    0

    Add background image in umbraco cms

    how can I solve that mistake? The same thing happens when I add a background image.

    error code below.

    An error occured Object reference not set to an instance of an object.

    Exception Details System.NullReferenceException: Object reference not set to an instance of an object. Stacktrace at Umbraco.QBank.Connector.Core.Startup.QBankConnectorPublishedEventComponent.ContentServicePublished(IContentService sender, ContentPublishedEventArgs e) at Umbraco.Core.Events.TypedEventHandler2.Invoke(TSender sender, TEventArgs e) at Umbraco.Core.Events.EventDefinition2.RaiseEvent() in D:\a\1\s\src\Umbraco.Core\Events\EventDefinition.cs:line 69 at Umbraco.Core.Events.QueuingEventDispatcher.ScopeExitCompleted() in D:\a\1\s\src\Umbraco.Core\Events\QueuingEventDispatcher.cs:line 23 at Umbraco.Core.Events.QueuingEventDispatcherBase.ScopeExit(Boolean completed) in D:\a\1\s\src\Umbraco.Core\Events\QueuingEventDispatcherBase.cs:line 337 at Umbraco.Core.Scoping.Scope.<>cDisplayClass720.

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