How To Fix PAK161 - Filter package interfaces can only contain objects of type 'PCHK'

PAK161 - Overview

• Message type: E = Error

• Message class: PAK - Package API / Package Tools

• Message number: 161

• Message text: Filter package interfaces can only contain objects of type 'PCHK'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PAK161 - Filter package interfaces can only contain objects of type 'PCHK' ?

  The SAP error message PAK161 indicates that there is an issue with the filter package interfaces in the context of the SAP Process Integration (PI) or Process Orchestration (PO) environment. Specifically, this error occurs when the filter package is expected to contain only objects of type 'PCHK' (which stands for "Process Check"), but it contains other types of objects.
  
  Cause:
  The primary cause of this error is that the filter package has been incorrectly configured to include objects that are not of the expected type 'PCHK'. This can happen due to:
  
  Incorrect Configuration: The filter package may have been set up to include various types of objects, rather than being restricted to just 'PCHK' objects.
  Migration Issues: If there has been a migration from an older version of SAP or from another system, the filter package may not have been properly adjusted to meet the new requirements.
  Manual Errors: Users may have inadvertently added the