Tag: Parameter name uri

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Sitecore: Value cannot be null. Parameter name uri

While working on Sitecore off late I have had my content authors complain about the Workbox not working and user was unable to expand a specific folder in the Content Tree. Here is Sitecore error observed in the logs: Exception: System.ArgumentNullException Message: Value cannot be null. Parameter name: uri Source: Sitecore.Kernel at Sitecore.Diagnostics.Assert.ArgumentNotNull(Object argument, String ...