How To Fix /SAPAPO/ATPLOG_PAL157 - Time stamp for generated source code reset

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATPLOG_PAL -

• Message number: 157

• Message text: Time stamp for generated source code reset

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATPLOG_PAL157 - Time stamp for generated source code reset ?

  The SAP error message /SAPAPO/ATPLOG_PAL157 indicates that there is an issue related to the time stamp for generated source code in the Advanced Planning and Optimization (APO) module, specifically in the context of the Available-to-Promise (ATP) functionality. This error typically arises when there is a mismatch or inconsistency in the time stamps of the generated source code, which can affect the execution of ATP checks.
  Cause:
  
  Source Code Changes: The error may occur if there have been recent changes to the source code or if the code has not been properly generated or activated.
  Transport Issues: If the code was transported from one system to another (e.g., from development to production), there may be discrepancies in the time stamps.
  System Configuration: Incorrect configuration settings in the APO system can lead to this error.
  Database Issues: Problems with the database or inconsistencies in the data can also trigger this error.
  
  Solution:
  
  
  Re-generate the Source Code: 
  
  Go to transaction /SAPAPO/ATPGEN and re-generate the source code for the relevant function module or program. This can help reset the time stamp and resolve the issue.
  
  
  
  Check for Transport Issues: 
  
  Ensure that all necessary transports have been correctly imported and that there are no missing objects. You may need to re-import the transport if there are discrepancies.
  
  
  
  Review Configuration Settings: 
  
  Check the configuration settings in the APO system to ensure they are set up correctly. This includes reviewing settings related to ATP and any customizations that may have been made.
  
  
  
  Database Consistency Check: 
  
  Perform a consistency check on the database to identify and resolve any underlying issues that may be causing the error.
  
  
  
  SAP Notes: 
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that can resolve the issue.
  
  
  
  System Restart: 
  
  In some cases, a system restart may help clear temporary issues that could be causing the error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/ATPGEN for code generation and /SAPAPO/ATPLG for ATP logs.
  SAP Documentation: Review the official SAP documentation for APO and ATP to understand the underlying processes and configurations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with SAP support or a technical consultant who specializes in APO and ATP functionalities.