How To Fix DMC_RT_GEN019 - Error during concatenation of &1 &2 &3: Target string is too long

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_GEN - DMC: Nachrichten der Generierungfunktionen

• Message number: 019

• Message text: Error during concatenation of &1 &2 &3: Target string is too long

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_GEN019 - Error during concatenation of &1 &2 &3: Target string is too long ?

  The SAP error message DMC_RT_GEN019 indicates that there is an issue during the concatenation of strings, where the resulting target string exceeds the maximum allowable length. This error typically occurs in the context of data processing or transformation tasks, such as those performed in SAP Data Management or SAP Data Intelligence.
  Cause:
  The error is caused by attempting to concatenate multiple strings (in this case, represented by &1, &2, and &3) into a single target string that exceeds the defined length limit. In SAP, the maximum length for a string can vary depending on the context, but it is often limited to 255 characters for certain data types.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check String Lengths: Review the lengths of the strings being concatenated. You can use functions or methods to determine the length of each string before concatenation.
  
  
  Truncate Strings: If the combined length of the strings exceeds the maximum limit, consider truncating one or more of the strings before concatenation. You can use string manipulation functions to achieve this.
  
  
  Use Alternative Data Structures: If the concatenated result is intended to hold more data than the maximum length allows, consider using a different data structure that can accommodate larger strings, such as a text field or a different data type.
  
  
  Modify Logic: If the concatenation is part of a larger logic or transformation, consider modifying the logic to avoid concatenating too many strings at once or to handle the data in smaller chunks.
  
  
  Error Handling: Implement error handling to catch this specific error and provide a meaningful message or alternative processing path when it occurs.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for details on string handling and data types in the specific context you are working with (e.g., ABAP, Data Services, etc.).
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find additional solutions or workarounds.
  Debugging: Use debugging tools available in your SAP environment to trace the execution and identify where the concatenation is occurring and which strings are involved.
  
  By following these steps, you should be able to address the DMC_RT_GEN019 error effectively.