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Summary
When starting the Performer Suite an error could occur.
Error
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System.MissingMethodException: Method not found: '!!0[] System.Array.Empty()'. |
Cause
Your .NET Framework version is too low. It is needed to display the graphic interface of the Performer Suite.
Solution
Install .NET Framework 4.8 (4.8.1 is currently not recommended)
Download: https://dotnet.microsoft.com/en-us/download/dotnet-framework
Further information
Want to find out which .NET version you have installed?
https://docs.microsoft.com/en-us/dotnet/framework/migration-guide/how-to-determine-which-versions-are-installed