How To Fix /ACCGO/APPL_API018 - Select application document(s) from the same side

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/APPL_API -

• Message number: 018

• Message text: Select application document(s) from the same side

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/APPL_API018 - Select application document(s) from the same side ?

  The SAP error message /ACCGO/APPL_API018 Select application document(s) from the same side typically occurs in the context of the SAP General Ledger (G/L) accounting or during the processing of application documents in the SAP system. This error indicates that the system expects you to select application documents that are related to the same side of a transaction, such as either all debit or all credit entries.
  Cause:
  
  Mixed Selection: The most common cause of this error is that the user has selected application documents that include both debit and credit entries. The system requires that all selected documents belong to the same side (either all debits or all credits).
  Incorrect Document Type: Sometimes, the error can arise if the selected documents are of different types or belong to different accounting periods or ledgers.
  Configuration Issues: There may be configuration settings in the SAP system that enforce this rule, which could lead to this error if not properly set up.
  
  Solution:
  
  Review Your Selection: Ensure that you are only selecting documents that are either all debits or all credits. Deselect any documents that do not match this criterion.
  Check Document Types: Verify that the document types you are working with are compatible and belong to the same category.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the application you are using, as there may be additional rules or constraints.
  System Configuration: If you believe the error is due to a configuration issue, consult with your SAP Basis or configuration team to review the settings related to document processing.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to financial accounting, such as FB01 (Post Document), FBL1N (Vendor Line Item Display), or others.
  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.
  User Training: Ensure that users are trained on the correct procedures for selecting application documents to avoid this error in the future.
  
  If the problem persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.