How To Fix LR018 - Internal program error in 'ASSIGN'

SAP Error Message - Details

• Message type: E = Error

• Message class: LR - CATS: Cross-Application Time Sheet

• Message number: 018

• Message text: Internal program error in 'ASSIGN'

What causes this issue?

Internal program error with 'ASSIGN' command.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Contact the SAP hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LR018 - Internal program error in 'ASSIGN' ?

  The SAP error message LR018, which indicates an "Internal program error in 'ASSIGN'," typically arises due to issues in the ABAP code or data inconsistencies in the system. This error can occur in various scenarios, such as during data processing, report execution, or when using certain transactions.
  Causes:
  
  Data Inconsistencies: The error may be triggered by unexpected or corrupt data in the database tables that the program is trying to access.
  ABAP Code Issues: There may be a bug or logical error in the ABAP program that is causing the internal error during the execution of the ASSIGN statement.
  Memory Issues: Insufficient memory or resource allocation can sometimes lead to internal errors.
  Custom Enhancements: If there are custom enhancements or modifications in the standard SAP code, they might not be handling certain scenarios correctly.
  
  Solutions:
  
  
  Check for Data Issues: 
  
  Review the data being processed when the error occurs. Look for any anomalies or inconsistencies in the relevant database tables.
  Use transaction codes like SE16 or SE11 to inspect the data.
  
  
  
  Debugging the ABAP Code:
  
  If you have access to the ABAP code, use the debugger to trace the execution and identify where the error occurs.
  Look for the ASSIGN statement in the code and check the variables being used. Ensure that they are properly initialized and contain valid data.
  
  
  
  Review Custom Code:
  
  If the error occurs in a custom program or enhancement, review the code for any logical errors or incorrect assumptions about data structures.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  
  System Resources:
  
  Monitor system performance and resource usage. If memory issues are suspected, consider increasing the memory allocation for the SAP system.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes, program names, and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE38 (ABAP Editor), ST22 (Dump Analysis), SM21 (System Log).
  Debugging Tools: Use the ABAP debugger to step through the code and identify the point of failure.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  
  By following these steps, you should be able to diagnose and potentially resolve the LR018 error in your SAP environment.