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

GP651 - Overview

• 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