How To Fix AD408 - & (calculated output length & is less than specified &)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 408

• Message text: & (calculated output length & is less than specified &)

What causes this issue?

The output length calculated on the basis of the data type and number
of places specified is shorter than the output length you entered.

System Response

A warning is issued.

How to fix this error?

You should normally adopt the output length calculated by the system.
However, this is not mandatory.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD408 - & (calculated output length & is less than specified &) ?

  The SAP error message AD408 typically indicates that there is a mismatch between the expected output length of a field and the actual calculated output length. This can occur in various contexts, such as when working with data types, structures, or when performing calculations in ABAP programs.
  Cause:
  The error message AD408 is triggered when:
  
  The calculated output length of a field is less than what has been specified in the data dictionary or in the program logic.
  There may be an issue with the data type definitions, such as using a shorter data type than expected.
  The program logic may be attempting to output data that exceeds the defined length of the target field.
  
  Solution:
  To resolve the AD408 error, you can take the following steps:
  
  
  Check Data Definitions: Review the data definitions in the ABAP program or data dictionary. Ensure that the data types and lengths are correctly defined and match the expected output.
  
  
  Adjust Field Lengths: If the calculated output length is indeed less than specified, consider adjusting the length of the target field in the data dictionary or in the program to accommodate the expected output.
  
  
  Review Calculations: If the error occurs during calculations, check the logic to ensure that the calculations are producing the expected results and that they fit within the defined lengths.
  
  
  Debugging: Use the ABAP debugger to step through the code and identify where the mismatch occurs. This can help pinpoint the exact location and cause of the error.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for additional insights or similar cases that may provide context or solutions.
  
  
  Testing: After making changes, thoroughly test the program to ensure that the error is resolved and that the output is as expected.
  
  
  Related Information:
  
  Data Types: Familiarize yourself with SAP data types and their lengths (e.g., CHAR, NUMC, DATS) to ensure proper usage.
  ABAP Programming: Understanding ABAP programming concepts, especially related to data handling and output formatting, can help prevent such errors.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or recommendations provided by SAP.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an experienced ABAP developer for further assistance.