How To Fix SCWN604 - Cannot make change to line in subobject &1 since line does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: SCWN - Messages Note installation and management

• Message number: 604

• Message text: Cannot make change to line in subobject &1 since line does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SCWN604 - Cannot make change to line in subobject &1 since line does not exist ?

  The SAP error message SCWN604 indicates that there is an attempt to modify a line in a subobject that does not exist. This typically occurs in the context of working with subobjects in SAP, such as when dealing with data records in a specific application or module.
  Cause:
  
  Non-existent Line: The line you are trying to change may not exist in the database or the internal table. This could happen if the line was deleted or if the line number specified is incorrect.
  Incorrect Key: The key used to identify the subobject may be incorrect, leading to an attempt to access a line that is not present.
  Data Consistency Issues: There may be inconsistencies in the data, such as missing entries or incorrect references.
  User Permissions: The user may not have the necessary permissions to access or modify the specific line in the subobject.
  
  Solution:
  
  Verify Line Existence: Check if the line you are trying to modify actually exists in the subobject. You can do this by reviewing the data in the relevant transaction or table.
  Check Input Parameters: Ensure that the parameters or keys you are using to access the subobject are correct. Double-check the line number and any identifiers.
  Data Consistency Check: Run any relevant consistency checks or reports to identify and resolve data integrity issues.
  User Authorization: Ensure that the user has the necessary authorizations to make changes to the subobject. If not, contact your SAP security administrator.
  Debugging: If you have access to debugging tools, you can trace the program execution to identify where the error is occurring and why the line is not found.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to view or modify the subobject data (e.g., SE11 for data dictionary, SE16 for table display).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the relevant SAP documentation for the module you are working with to understand how subobjects are managed and any specific requirements for modifying them.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.