How To Fix GP651 - The reference/target combination is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 651

• Message text: The reference/target combination is not possible

What causes this issue?

You want to copy &V1& and have not entered a valid combination for the
target copy entry.

System Response

You can only copy the planning if you enter the correct combinations
for the reference and target objects.

How to fix this error?

Correct your entries. The following is a list of the possible
combinations for copying the planning:
all objects -> according to reference
one object -> according to reference
one object -> different object
one object -> object group
object group -> according to reference

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GP651 - The reference/target combination is not possible ?

  The SAP error message GP651, which states "The reference/target combination is not possible," typically occurs in the context of SAP's Global Payroll or Personnel Administration modules. This error usually indicates that there is an issue with the configuration of the payroll or personnel data, specifically related to the reference and target infotypes or data records.
  Causes:
  
  Incorrect Infotype Configuration: The reference infotype (the one you are trying to copy or reference) may not be compatible with the target infotype (the one you are trying to fill or create).
  Missing Data: The required data in the reference infotype may be missing or incomplete, making it impossible to create or update the target infotype.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the system from processing the reference-target relationship correctly.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the specified infotypes.
  Custom Enhancements: Custom developments or enhancements in the system may interfere with standard processing logic.
  
  Solutions:
  
  Check Infotype Configuration: Review the configuration of the infotypes involved. Ensure that the reference infotype is correctly set up and that it is compatible with the target infotype.
  Verify Data Completeness: Ensure that all required fields in the reference infotype are filled out correctly. Check for any missing or incorrect entries.
  Data Consistency Check: Run consistency checks on the relevant infotypes to identify and resolve any inconsistencies.
  Review Authorizations: Ensure that the user has the necessary authorizations to access and modify the relevant infotypes.
  Debugging: If the issue persists, consider debugging the process to identify where the error occurs. This may require technical expertise in ABAP or SAP configuration.
  Consult Documentation: Refer to SAP documentation or notes related to the specific infotypes and the GP651 error for additional guidance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the GP651 error. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PA30 (Maintain HR Master Data) or PA40 (Personnel Actions) to troubleshoot the issue.
  Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP support team for assistance.
  
  By following these steps, you should be able to identify the cause of the GP651 error and implement a suitable solution.