How To Fix ME138 - Confirmation category & not defined (please check your input)

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 138

• Message text: Confirmation category & not defined (please check your input)

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 ME138 - Confirmation category & not defined (please check your input) ?

  The SAP error message ME138 ("Confirmation category & not defined (please check your input)") typically occurs in the context of production order confirmations or goods movements in SAP. This error indicates that the system is unable to find a valid confirmation category for the operation you are trying to perform. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Configuration: The confirmation category you are trying to use is not defined in the system. This could be due to a missing entry in the configuration settings for confirmation categories.
  Incorrect Input: The confirmation category may have been entered incorrectly, either due to a typo or because it does not exist in the system.
  Authorization Issues: The user may not have the necessary authorizations to access or use the specified confirmation category.
  System Settings: The settings for the specific order type or production process may not be correctly configured to allow for