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