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This article describes the MSB3884 error code.
Message text
MSB3884: Could not find rule set file 'value'.
Description
This error occurs when MSBuild can't find a ruleset file required for Code Analysis. Code Analysis uses ruleset files to determine which rules are active.
Resolution
Verify the specified file exists. Confirm your MSBuild process can read the file (correct access permissions). For more information, see Use rule sets to group code analysis rules.
Applies to
All versions of MSBuild