Error: "Could Not Load File Or Assembly 'Primavera.Venus.Presentation, Version=8.3.1.8905, Culture=neutral, PublicKeyToken=null' or one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515)" Launching Visualizer (Doc ID 1626452.1)

Last updated on JANUARY 18, 2017

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 8.3.1.0 and later
Primavera P6 Professional Project Management - Version 16.2.0.0 to 16.2.0.0 [Release 16.2]
Information in this document applies to any platform.

Symptoms

When attempting to run Visualizer as an external application, the following error occurs.

ERROR
-----------------------
Exception:
Failed to load type for module ModuleInit

If this error occurred when using MEF in a Silverlight application, please ensure that the CopyLocal property of the reference to the  MefExtentions assembly is set to true in the main application/shell and false in all other assemblies.
Error was: Could not load file or assembly  'Primavera.Venus.Presentation, Version=8.3.1.8905, Culture=neutral, PublicKeyToken=null' or one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515).

Cause

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