How To Fix /SAPDMC/LSMW018 - Error in '&' (return code &)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPDMC/LSMW -

• Message number: 018

• Message text: Error in '&' (return code &)

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPDMC/LSMW018 - Error in '&' (return code &) ?

  The SAP error message /SAPDMC/LSMW018 Error in '&' (return code &) typically occurs in the context of the Legacy System Migration Workbench (LSMW) when there is an issue during the data migration process. This error indicates that there was a problem executing a specific function or program related to the LSMW process, and the return code provides additional information about the nature of the error.
  Causes:
  
  Incorrect Configuration: The LSMW project, subproject, or object may not be configured correctly.
  Data Issues: The data being migrated may contain errors, such as invalid formats, missing mandatory fields, or data that does not comply with the target system's requirements.
  Authorization Issues: The user executing the LSMW process may not have the necessary authorizations to perform the actions required.
  Technical Errors: There may be issues with the underlying ABAP programs or function modules that are being called during the migration process.
  Return Code Interpretation: The return code itself can provide specific insights into what went wrong, and it is essential to analyze it to understand the exact issue.
  
  Solutions:
  
  Check Configuration: Review the LSMW project, subproject, and object settings to ensure they are correctly configured.
  Validate Data: Check the data being imported for any inconsistencies or errors. Ensure that all mandatory fields are filled and that the data types match the expected formats.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the LSMW process. This may involve checking roles and permissions in the SAP system.
  Analyze Return Code: Look up the specific return code provided in the error message. This can often lead to more detailed information about the nature of the error.
  Debugging: If the issue persists, consider debugging the LSMW process or the underlying ABAP code to identify the root cause of the error.
  Consult Documentation: Refer to SAP documentation or community forums for insights related to the specific error message and return code.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LSMW, SE80 (Object Navigator), and SE37 (Function Module) for debugging.
  Community Forums: Engage with SAP community forums or support channels for additional assistance and shared experiences from other users.
  
  By following these steps, you should be able to identify and resolve the issue causing the /SAPDMC/LSMW018 error in your SAP system.