How To Fix /PM0/ABH_MESSAGE027 - Error in serializing: Parameter IN_DATA_TYPE has invalid value (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABH_MESSAGE -

• Message number: 027

• Message text: Error in serializing: Parameter IN_DATA_TYPE has invalid value (&1)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABH_MESSAGE027 - Error in serializing: Parameter IN_DATA_TYPE has invalid value (&1) ?

  The SAP error message /PM0/ABH_MESSAGE027 Error in serializing: Parameter IN_DATA_TYPE has invalid value (&1) typically indicates that there is an issue with the data type being passed to a function or method in the SAP system. This error is often encountered in the context of ABAP programming, particularly when dealing with serialization or deserialization of data.
  Cause:
  
  Invalid Data Type: The parameter IN_DATA_TYPE is expected to have a specific value that corresponds to a valid data type, but it has been provided with an invalid or unsupported value.
  Configuration Issues: There may be configuration settings in the system that are not aligned with the expected data types.
  Custom Code Issues: If there is custom ABAP code involved, it may be incorrectly handling data types or not conforming to the expected standards.
  Data Mapping Errors: If data is being transferred between different systems or modules, there may be a mismatch in the expected data types.
  
  Solution:
  
  Check the Data Type: Review the code or configuration where the error is occurring. Ensure that the value being passed to IN_DATA_TYPE is valid and matches the expected data types defined in the system.
  Debugging: Use the ABAP debugger to trace the execution and identify where the invalid value is being set. This can help pinpoint the source of the issue.
  Review Documentation: Check the SAP documentation for the specific function or method being called to understand the valid values for IN_DATA_TYPE.
  Update Custom Code: If the error is due to custom ABAP code, modify the code to ensure that it adheres to the expected data types.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Testing: After making changes, thoroughly test the functionality to ensure that the error is resolved and that there are no side effects.
  
  Related Information:
  
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and you have access to SAP support, consider opening a support ticket for further assistance.
  Version Specifics: Be aware that the behavior of certain functions may vary between different versions of SAP, so ensure that you are referencing the correct version documentation.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.