How To Fix GP135 - Function is not possible, change field groups

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 135

• Message text: Function is not possible, change field groups

What causes this issue?

You have called up the function "Insert combination". You cannot carry
out this function at the moment because the field group <ZH>&V2&</>
with the unit <ZH>&V1&</> does not appear on the screen.
Since this unit is, however, an obligatory key field of the summary
records, you would not be able to enter this field after carrying out
the function "Insert combination".

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

First carry out the function "Select field group" so that the missing
unit &V1& appears on the screen. Afterwards, call up the function
"Insert combination" again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GP135 - Function is not possible, change field groups ?

  The SAP error message GP135 ("Function is not possible, change field groups") typically occurs in the context of the SAP HR module, particularly when dealing with infotypes and field groups. This error indicates that the system is unable to perform a certain function because the field groups associated with the infotype are not set up correctly or are not compatible with the operation you are trying to perform.
  Causes:
  
  Field Group Configuration: The field groups defined for the infotype may not allow the operation you are attempting (e.g., creating, changing, or displaying records).
  Authorization Issues: The user may not have the necessary authorizations to access or modify the field groups.
  Data Inconsistencies: There may be inconsistencies in the data or configuration that prevent the operation from being completed.
  Custom Enhancements: If there are custom enhancements or modifications in the system, they may interfere with the standard behavior of the infotype.
  
  Solutions:
  
  
  Check Field Group Configuration:
  
  Go to the configuration settings for the relevant infotype and check the field groups assigned to it. Ensure that the field groups are correctly defined and that they allow the operation you are trying to perform.
  You can access the configuration through transaction codes like SPRO (SAP Project Reference Object) and navigate to the relevant HR settings.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to perform the action. You can check this using transaction SU53 to see if there are any authorization failures.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the infotype data to ensure there are no inconsistencies. You can use transaction PA30 to view the infotype records and check for any anomalies.
  
  
  
  Consult with Technical Team:
  
  If there are custom enhancements or modifications, consult with your technical team to see if any changes have been made that could affect the field groups or infotype behavior.
  
  
  
  SAP Notes and Documentation:
  
  Check for any relevant SAP Notes that may address this specific error. SAP Notes can provide insights into known issues and their resolutions.
  
  
  
  Testing in a Development Environment:
  
  If possible, replicate the issue in a development or test environment to better understand the cause and test potential solutions without affecting production data.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PA30 (Maintain HR Master Data), SPRO (Customizing), and SE80 (Object Navigator) for debugging.
  SAP Help Portal: Utilize the SAP Help Portal for documentation related to HR infotypes and field groups.
  Community Forums: Engage with SAP community forums or user groups for additional insights and shared experiences from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the GP135 error and implement a suitable solution.