How To Fix S1807 - STRING_CONCATENATE failed (internal error)

S1807 - Overview

• 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