How To Fix /SAPDMC/LSMW012 - Error when updating table &

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPDMC/LSMW -

• Message number: 012

• Message text: Error when updating table &

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 /SAPDMC/LSMW012 - Error when updating table & ?

  The SAP error message /SAPDMC/LSMW012 typically indicates an issue encountered during the execution of a Legacy System Migration Workbench (LSMW) process, specifically when trying to update a table. This error can arise due to various reasons, and understanding the cause is crucial for finding an appropriate solution.
  Possible Causes:
  
  Data Format Issues: The data being imported may not match the expected format or data type of the target table fields.
  Missing Required Fields: Required fields in the target table may not be populated in the source data.
  Primary Key Violations: Attempting to insert or update records that would violate primary key constraints in the target table.
  Authorization Issues: The user executing the LSMW process may not have the necessary authorizations to update the target table.
  Database Locking: The target table may be locked by another process, preventing updates.
  Custom Logic or Enhancements: Custom code or enhancements in the target system may be interfering with the standard update process.
  
  Solutions:
  
  Check Data Mapping: Review the mapping of fields in the LSMW project to ensure that all data types and formats are correct.
  Validate Source Data: Ensure that the source data file contains all required fields and that they are populated correctly.
  Review Key Constraints: Check for any primary key or unique constraints on the target table and ensure that the data being processed does not violate these constraints.
  User Authorizations: Verify that the user executing the LSMW has the necessary authorizations to perform updates on the target table.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the target table and resolve them if necessary.
  Debug Custom Logic: If there are custom enhancements or logic in the target system, consider debugging or temporarily disabling them to see if they are causing the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LSMW (for the workbench), SM12 (for lock entries), and SE11 (for data dictionary).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Review the logs generated during the LSMW execution for more detailed error messages that can provide further insights into the issue.
  
  By systematically addressing these potential causes and implementing the suggested solutions, you should be able to resolve the /SAPDMC/LSMW012 error and successfully update the target table.