How To Fix GM155 - Debit block; however, cost center &1 allowed as sender

SAP Error Message - Details

• Message type: E = Error

• Message class: GM - Combination manager

• Message number: 155

• Message text: Debit block; however, cost center &1 allowed as sender

What causes this issue?

Cost center &v1& has a debit block, but the system allows credit
charges to the cost center.
During allocation, the cost center may not appear as the receiver as
well as the sender.

System Response

The system accepts cost center &v1& as the sender.

How to fix this error?

To change this and to not include sender cost centers in the
allocation, you can change the type of message from I (information) to
E (error).
To change the message type, in the IMG, choose General Controlling ->
Change Message Control. Here, you enter GM as the application area.
Afterwards, you can make a new entry for message number 155, one which
is different than the standard message type.
<DS:TRAN.OBA5>Message control</>

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GM155 - Debit block; however, cost center &1 allowed as sender ?

  The SAP error message GM155 indicates that there is a debit block on a particular cost center, but the cost center is allowed as a sender. This typically occurs in the context of budget management and controlling within SAP, particularly when dealing with the Funds Management (FM) module.
  Cause:
  
  Debit Block Configuration: The cost center may have been configured with a debit block, which prevents any postings that would increase expenses or costs against that cost center.
  Budget Availability: The budget for the cost center may have been exhausted or not properly allocated, leading to a restriction on further debits.
  Authorization Issues: There may be authorization issues preventing the posting, even if the cost center is allowed as a sender.
  Incorrect Document Type: The document type being used for the transaction may not be compatible with the cost center's settings.
  
  Solution:
  
  Check Cost Center Settings: Review the configuration of the cost center in the SAP system to ensure that it is set up correctly and that the debit block is appropriate for the intended transactions.
  Review Budget Status: Check the budget status for the cost center to ensure that there are sufficient funds available. If the budget is exhausted, you may need to adjust the budget or reallocate funds.
  Adjust Authorizations: Ensure that the user attempting the transaction has the necessary authorizations to post to the cost center.
  Change Document Type: If the document type is causing the issue, consider using a different document type that is compatible with the cost center's settings.
  Consult with Finance Team: If the issue persists, consult with your finance or controlling team to understand the specific configurations and policies related to the cost center.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like KS03 (Display Cost Center) or KSH1 (Cost Center Hierarchy) to review cost center settings.
  Budget Management: Familiarize yourself with the budget management processes in SAP, including how to monitor and adjust budgets.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for detailed information on Funds Management and controlling processes.
  
  By following these steps, you should be able to identify the root cause of the GM155 error and implement the necessary solutions to resolve it.