How To Fix GTCN_MESSAGE320 - Select at least one posting type for reversal posting

GTCN_MESSAGE320 - Overview

• Message type: E = Error

• Message class: GTCN_MESSAGE - GTCN: Message Class

• Message number: 320

• Message text: Select at least one posting type for reversal posting

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GTCN_MESSAGE320 - Select at least one posting type for reversal posting ?

  The SAP error message GTCN_MESSAGE320, which states "Select at least one posting type for reversal posting," typically occurs when you are trying to perform a reversal posting in the SAP system but have not selected any posting types for the reversal. This can happen in various SAP modules, such as Financial Accounting (FI) or Controlling (CO), where reversal postings are common.
  
  Cause:
  
  No Posting Type Selected: The most common cause of this error is that the user has not selected any posting type for the reversal. In the reversal posting screen, there are usually options to select different types of reversals (e.g., full reversal, partial reversal, etc.).
  
  Configuration Issues: There may be configuration settings in the SAP system that restrict the available posting types or require certain conditions to be met before a posting type can be selected.
  User Authorization: The user may not have the necessary authorizations to perform certain types of reversal