Problem when publishing to onpremise crm with Ribbon Workbench in Xrmtoolbox

[atothejw]

Since this week we get the following error when publishing, it displays 'importing solution' there is a popup with this error:

import failed: unhandled exception: Exception type: System.IO.FileLoadException Message: Could not load or assembly 'Newtonsoft.Json Version=10.0.0.0, Culture = neutral, PublicKeyToken=30ad4e6b2a6aeed' or one of its dependencies. The Located assembly's maifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

-- End stack trace --

Exception type: System.IO.FileLoadException Message: Could not load file or assembly 'Newtonsoft.Json, Version=11.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception form Hresult: 0x80131040)
at
....

Stack Trace:
Error:
at
ClientUI.ViewModel.EditCommandBarsVM.queryimport(:58066/WebResources/js/ClientUI.js:19560:1442)
at Anonymous F....

Don't know what to do or how to fix this. Please help?

[vscdev90]

Got the same problem, anyone here to help?

[vscdev90]

@scottdurow do you mabey know why this is happening?