How To Fix FB764 - EXCEPTION: Too_small for STRING_CONCATENATE

FB764 - Overview

• Message type: E = Error

• Message class: FB - Batch Programs

• Message number: 764

• Message text: EXCEPTION: Too_small for STRING_CONCATENATE

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FB764 - EXCEPTION: Too_small for STRING_CONCATENATE ?

  The SAP error message FB764, which states "EXCEPTION: Too_small for STRING_CONCATENATE," typically occurs when there is an attempt to concatenate strings in ABAP (Advanced Business Application Programming) and the target string is not large enough to hold the resulting concatenated value. This can happen in various scenarios, such as when manipulating strings in reports, function modules, or other ABAP programs.
  
  Cause:
  
  Insufficient Length: The target string variable has not been defined with a sufficient length to accommodate the concatenated result.
  Dynamic Length Calculation: If the length of the strings being concatenated is not properly calculated or if the target string is defined with a fixed length that is too small.
  Data Type Mismatch: Using incompatible data types for concatenation can also lead to this error.
  
  
  Solution:
  
  
  Increase the Length of the Target String: Ensure that the target string variable is defined with a length that is large enough to hold the concatenated result. For example:
  DATA: lv_target