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

/PM0/ABJ_MSG251 - Overview

• 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

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/PM0/ABJ_MSG251 - Details

• 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