How To Fix R8428 - Different internal lengths of field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 428

• Message text: Different internal lengths of field &1

What causes this issue?

The internal lengths of the field &v1&, do not concur in the extract
structure and in the extraction view.

System Response

The DataSource cannot be saved like this.

How to fix this error?

Either adjust the extract structure, or the extraction view.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R8428 - Different internal lengths of field &1 ?

  The SAP error message R8428, which states "Different internal lengths of field &1," typically occurs when there is a mismatch in the expected data length for a field in a program or function module. This can happen in various scenarios, such as when data is being transferred between different systems, or when there are inconsistencies in the data dictionary definitions.
  Cause:
  
  Data Type Mismatch: The field in question may have been defined with different lengths in different places (e.g., in the database table vs. in the ABAP program).
  Inconsistent Data Dictionary Definitions: If the field is defined in multiple places (like in a structure and a table) with different lengths, this error can occur.
  Changes in Data Structure: If there have been recent changes to the data structure (like adding or modifying fields) and the program has not been updated accordingly, this can lead to length mismatches.
  Data Transfer Issues: When transferring data between different systems or modules, if the field lengths are not consistent, this error can arise.
  
  Solution:
  
  Check Data Dictionary: Verify the definition of the field in the Data Dictionary (SE11). Ensure that the field length is consistent across all definitions (tables, structures, etc.).
  Update ABAP Code: If the field length has changed, update the ABAP code to reflect the new length. This may involve modifying the data types in the program or function module.
  Consistency Check: Use transaction SE14 (Database Utility) to check for inconsistencies in the database and correct them if necessary.
  Recompile Objects: After making changes, recompile the affected programs or function modules to ensure that the changes take effect.
  Testing: After making the necessary adjustments, perform thorough testing to ensure that the error is resolved and that the system behaves as expected.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  ABAP Development: Familiarity with ABAP programming and data types is essential for troubleshooting this error.
  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, it may be beneficial to consult with an SAP Basis or ABAP developer for further investigation.