Crash occurs when trying to open any cloud model in Revit

Autodesk Support

Feb 15, 2025

Products and versions covered

Issue:

Users reported that Revit crashes when trying to open any cloud model.

Other symptoms may include:

  • The error "A software problem has caused Revit #### to close unexpectedly" preceding the crash.

  • This behavior may occur following a Windows Blue Screen event or Video Driver error.

  • Models are no longer able to be initiated to the cloud. 

  • When opening Revit, will receive the following error:

                     External Tools - External Tool Failure

Revit cannot run the external application...

External tools. Revit cannot run the external application.
  • The following message appears:

                     Failed to save as Cloud Model

Configuration system failed to initialize

Failed to save as Cloud model. Configuration system failed to initialize.

  • The Revit journal file records lines similar to:

0:< ExceptionCode=0xe0434352 ExceptionFlags=0x00000001 ExceptionAddress=00007FF81092D759 
[00000d00]BC: 1,0,1 
...
' 1:<   System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary. 
1:< Other Exception while interacting with Revit Server. Please contact technical support. 
...
DBG_WARN: Escaped managed exception Configuration system failed to initialize, and error code is 80131902: line 68 of E:\Ship\2022_px64\Source\DataStorage\CloudClientInterop\ManagedExceptionHandling.cpp.
...
'status: ERROR : Cannot connect to central model

Note: If you are not familiar with the Revit Journal, see this help topic About Journal Files.

Causes:

This behavior can occur when there is bad data in the user.config file.

Solution:

Update Revit

Recreate user.config

  1. Go to this path:

C:\Users\%USERNAME%\AppData\Local

  1. Rename "Autodesk,_Inc" to Autodesk,_Inc_OLD

Note: This will affect all installed versions of Revit. If there are issues with other Revit versions after renaming "Autodesk,_Inc" folder, copy the contents of the OLD folder into the new folder, skipping any existing items.

  1. Open Revit.

  2. Open a Cloud model.

 

Products:

Revit Product Family; Revit Cloud Worksharing; BIM 360; Construction Cloud;

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