How To Fix S1807 - STRING_CONCATENATE failed (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 807

• Message text: STRING_CONCATENATE failed (internal error)

What causes this issue?

This is an unexpected error situation and can only be solved in the SAP
hotline.

System Response

Transaction ends.

How to fix this error?

Please report this problem to the hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S1807 - STRING_CONCATENATE failed (internal error) ?

  The SAP error message S1807 STRING_CONCATENATE failed (internal error) typically indicates an issue with the internal processing of string concatenation in an ABAP program. This error can occur due to various reasons, including:
  Causes:
  
  Data Type Mismatch: The variables being concatenated may not be of compatible data types.
  Null or Uninitialized Variables: One or more of the variables involved in the concatenation may be null or uninitialized.
  Memory Issues: There may be insufficient memory available for the operation, especially if large strings are being concatenated.
  Internal Bugs: There could be a bug in the ABAP runtime environment or the specific version of SAP you are using.
  Exceeding Length Limits: The concatenated string may exceed the maximum length allowed for a string in ABAP.
  
  Solutions:
  
  Check Data Types: Ensure that all variables involved in the concatenation are of compatible types (e.g., all should be character strings).
  Initialize Variables: Make sure that all variables are properly initialized before concatenation.
  Debugging: Use the ABAP debugger to step through the code and identify the exact point of failure. Check the values of the variables being concatenated.
  Memory Management: If you suspect memory issues, consider optimizing your code to use less memory or check the system's memory usage.
  Limit String Length: If you are concatenating large strings, consider breaking them into smaller parts or using alternative methods to handle large data.
  Update SAP: If the issue persists, check for any available updates or patches for your SAP system that may address known bugs.
  
  Related Information:
  
  ABAP Documentation: Review the official SAP documentation for string handling and concatenation to ensure you are using the correct syntax and methods.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider reaching out to SAP community forums or support channels for additional insights from other users who may have encountered similar issues.
  
  If the problem continues after trying the above solutions, it may be necessary to contact SAP support for further assistance.