How To Fix FMCA_PSOB050 - Contract account cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_PSOB - Contract Object

• Message number: 050

• Message text: Contract account cannot be changed

What causes this issue?

You can no longer change this contract account or post the relevant
line items because correspondence or dunning data already exists for
this account. If you were to make a change, the existing correspondence
or dunning data would lose your reference.

System Response

The change to the assigned contract account is not possible.

How to fix this error?

Only one contract account can be specified for the given business
partner and contract account category, and this contract account cannot
be changed, as this would cause existing correspondence and dunning
data to lose their reference.
You should however note that you can assign further contract accounts
using the '<LS>A/R and A/P Data</>' button for any number of business
partners/contract account categories.

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 FMCA_PSOB050 - Contract account cannot be changed ?

  The SAP error message FMCA_PSOB050, which states "Contract account cannot be changed," typically occurs in the context of contract account management within the SAP system, particularly in the Financial Accounting (FI) module. This error indicates that there is an attempt to modify a contract account that is not allowed due to certain restrictions or conditions.
  Causes:
  
  Status of the Contract Account: The contract account may be in a status that does not allow changes. For example, if the account is locked or has been flagged for closure, modifications may be restricted.
  Open Items: If there are open items or pending transactions associated with the contract account, changes may not be permitted until those items are resolved.
  Authorization Issues: The user may not have the necessary permissions to make changes to the contract account.
  System Configuration: Certain configurations in the SAP system may restrict changes to contract accounts based on business rules or settings.
  
  Solutions:
  
  Check Account Status: Verify the status of the contract account. If it is locked or flagged, you may need to unlock it or resolve the flag before making changes.
  Clear Open Items: Review any open items associated with the contract account. If there are pending transactions, they may need to be cleared or processed before changes can be made.
  Review Authorizations: Ensure that the user attempting to make the changes has the appropriate authorizations. If not, contact your SAP security administrator to obtain the necessary permissions.
  Consult Configuration Settings: If the issue persists, consult with your SAP configuration team to review any settings that may be preventing changes to contract accounts. They may need to adjust the configuration based on business requirements.
  Use Transaction Codes: Utilize relevant transaction codes (e.g., FP02 for changing contract accounts) to ensure you are following the correct procedures for making changes.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to SAP documentation for contract account management to understand the rules and processes governing changes to contract accounts.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.