How To Fix /PM0/ABJ_MSG251 - Only one entry is allowed in &1 in the dialog in class &2 method &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABJ_MSG -

• Message number: 251

• Message text: Only one entry is allowed in &1 in the dialog in class &2 method &3

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 /PM0/ABJ_MSG251 - Only one entry is allowed in &1 in the dialog in class &2 method &3 ?

  The SAP error message /PM0/ABJ_MSG251 indicates that there is an issue with the number of entries allowed in a specific field or table during a dialog process. This error typically arises when the system expects only one entry in a particular context, but multiple entries are being provided or processed.
  Cause:
  
  Multiple Entries: The most common cause of this error is that the user or the program is trying to input or process multiple entries in a field or table that is designed to accept only one entry.
  Configuration Issues: There may be a configuration issue in the system where the settings allow for multiple entries when they should not.
  Data Integrity Issues: There could be data integrity issues where the system has multiple records that conflict with the expected single entry.
  
  Solution:
  
  Check Input Data: Review the input data to ensure that only one entry is being provided where required. If multiple entries are being submitted, modify the input to comply with the requirement.
  Review Configuration: Check the configuration settings related to the specific field or table in question. Ensure that it is set up to allow only one entry if that is the intended design.
  Debugging: If you are a developer or have access to debugging tools, you can trace the execution of the program to identify where the multiple entries are being generated or processed.
  Consult Documentation: Refer to the SAP documentation or help resources for the specific module or function you are working with to understand the expected behavior and constraints.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error message or provide additional context or solutions.
  Transaction Codes: Depending on the context of the error, you may want to look into specific transaction codes related to the module you are working with to see if there are any known issues or patches.
  User Forums: SAP Community and other user forums can be valuable resources for finding similar issues faced by other users and the solutions they found.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.