How To Fix /PF1/MSG_EH257 - Only one table entry must be populated

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_EH -

• Message number: 257

• Message text: Only one table entry must be populated

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 /PF1/MSG_EH257 - Only one table entry must be populated ?

  The SAP error message /PF1/MSG_EH257: Only one table entry must be populated typically occurs in the context of the SAP Environment, Health, and Safety (EHS) module, particularly when dealing with data entries that are expected to be unique or singular in a specific context.
  Cause:
  This error message indicates that the system has detected multiple entries in a table or data structure where only one entry is allowed. This can happen due to:
  
  Data Entry Errors: Users may have inadvertently entered multiple records in a table that is designed to hold only one entry.
  Configuration Issues: The configuration of the EHS module may not be set up correctly, leading to conflicts in data entries.
  Data Migration Issues: If data has been migrated from another system, it may have resulted in duplicate entries that violate the uniqueness constraint.
  Custom Development: If there are custom programs or enhancements, they may not be handling the data correctly, leading to multiple entries being created.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Data: Review the entries in the relevant table to identify any duplicates. You can use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to inspect the table.
  
  
  Delete or Correct Duplicates: If you find multiple entries, determine which entry is valid and delete or correct the others. Ensure that only one entry remains in the table.
  
  
  Review Configuration: Check the configuration settings in the EHS module to ensure that they are set up correctly. This may involve consulting with a functional consultant or reviewing the configuration documentation.
  
  
  Data Migration Review: If the issue arose after a data migration, review the migration process to ensure that it correctly handled unique constraints.
  
  
  Custom Code Review: If there are custom developments, review the code to ensure that it is not inadvertently creating multiple entries. Debugging the custom code may be necessary.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional context and guidance.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE16, and SE37 (for function modules) to help diagnose and resolve the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after following these steps, it may be beneficial to involve your SAP Basis or EHS support team for further investigation.