How To Fix C5457 - Generation terminated; at least one phase is used twice

SAP Error Message - Details

• Message type: E = Error

• Message class: C5 - Master Recipe

• Message number: 457

• Message text: Generation terminated; at least one phase is used twice

What causes this issue?

The system tried to generate
<DS:GLOS.3526C528AFAB52B9E10000009B38F974>relationships</>. This
failed, however, since one
<DS:GLOS.3526C53EAFAB52B9E10000009B38F974>operation</> number existed
twice for the key date specified.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Correct this inconsistency.
Use the check function to check whether your recipe is now consistent.
Correct the errors that may be listes in the check log.

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 C5457 - Generation terminated; at least one phase is used twice ?

  The SAP error message C5457, which states "Generation terminated; at least one phase is used twice," typically occurs during the generation of a program or a function module in the ABAP Workbench. This error indicates that there is a problem with the definition of the phases in the program or function module, specifically that at least one phase has been defined more than once.
  Cause:
  
  Duplicate Phase Definitions: The most common cause of this error is that the same phase has been defined multiple times in the program or function module. In ABAP, phases are used to organize the execution of code, and each phase should be unique.
  Incorrect Configuration: Sometimes, the error can arise from incorrect configuration or settings in the program that lead to the same phase being referenced multiple times.
  Code Changes: If there have been recent changes to the code, it is possible that a phase was inadvertently duplicated during the editing process.
  
  Solution:
  
  Check Phase Definitions: Review the code for the program or function module and check the phase definitions. Ensure that each phase is defined only once. Look for any duplicate entries and remove or rename them as necessary.
  Use Unique Names: If you need to use similar logic in different phases, consider using unique names for each phase to avoid conflicts.
  Re-generate the Program: After making the necessary changes, try to regenerate the program or function module to see if the error persists.
  Check for Includes: If your program includes other programs or function modules, check those as well to ensure that they do not have conflicting phase definitions.
  Debugging: If the issue is not immediately apparent, you may want to use debugging tools to step through the generation process and identify where the duplication is occurring.
  
  Related Information:
  
  ABAP Workbench: Familiarize yourself with the ABAP Workbench and how phases are defined and used within programs and function modules.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Review the official SAP documentation for best practices in defining phases and managing program generation.
  
  By following these steps, you should be able to resolve the C5457 error and successfully generate your program or function module.