How To Fix FOAP_CD_ASSIGNMENT018 - Assignment of open credit memos and payments is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: FOAP_CD_ASSIGNMENT - Assignment of Open Credits and Payments

• Message number: 018

• Message text: Assignment of open credit memos and payments is not possible

What causes this issue?

Neither the function for manually assigning open credit memos and
payments nor Dispute Management is active.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FOAP_CD_ASSIGNMENT018 - Assignment of open credit memos and payments is not possible ?

  The SAP error message FOAP_CD_ASSIGNMENT018, which states "Assignment of open credit memos and payments is not possible," typically occurs in the context of financial transactions, particularly when dealing with open items in accounts payable or receivable. This error can arise due to several reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Incompatible Document Types: The credit memo and payment may not be compatible for assignment due to differing document types or statuses.
  Open Item Management: The open items may not be managed correctly, or there may be issues with the open item status.
  Currency Differences: If the credit memo and payment are in different currencies, this can lead to assignment issues.
  Clearing Restrictions: There may be restrictions or settings in the configuration that prevent the clearing of certain items.
  Document Status: The status of the documents involved (e.g., if one is already cleared or if there are any holds) can also lead to this error.
  
  Solutions:
  
  Check Document Types: Ensure that the document types for the credit memo and payment are compatible for assignment. You may need to adjust the document types or use a different method for clearing.
  Review Open Item Management Settings: Verify the settings for open item management in your configuration. Ensure that the items are set up correctly to allow for assignment.
  Currency Alignment: If there are currency differences, consider converting the amounts to a common currency or using a different payment method that aligns with the credit memo.
  Clear Restrictions: Review any restrictions in the configuration that may prevent the assignment of these items. This may involve checking the clearing settings in the financial module.
  Check Document Status: Ensure that both the credit memo and payment are in a status that allows for assignment. If one of the documents is already cleared or has a hold, you may need to resolve that first.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like FB03 (Display Document) to review the details of the documents involved.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Consult Documentation: Review SAP documentation related to open item management and clearing processes for further insights.
  Testing in a Sandbox: If possible, replicate the issue in a test environment to better understand the cause and test potential solutions without affecting production data.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in financial accounting within SAP.