How To Fix /SAPAPO/CLPRP135 - Error invoking ATP availability overview

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CLPRP -

• Message number: 135

• Message text: Error invoking ATP availability overview

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CLPRP135 - Error invoking ATP availability overview ?

  The SAP error message /SAPAPO/CLPRP135 typically indicates an issue with the Availability to Promise (ATP) functionality in SAP Advanced Planning and Optimization (APO). This error occurs when there is a problem invoking the ATP availability overview, which can be due to various reasons.
  Causes:
  
  Configuration Issues: Incorrect configuration in the APO system or in the integration with the ERP system can lead to this error.
  Master Data Issues: Missing or incorrect master data (like material master, location, or product data) can cause the ATP check to fail.
  System Performance: If the system is under heavy load or if there are performance issues, it may not be able to process the ATP request in a timely manner.
  Authorization Issues: The user may not have the necessary authorizations to access the ATP functionality.
  Technical Errors: There could be underlying technical issues, such as problems with the database or application server.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in both APO and ERP systems to ensure they are correctly set up for ATP checks.
  Validate Master Data: Ensure that all relevant master data is complete and accurate. Check for missing materials, locations, or product data.
  Monitor System Performance: Use transaction codes like ST22 (dump analysis) or SM21 (system log) to check for performance issues or errors in the system.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform ATP checks. This can be done by checking the user roles and profiles.
  Check for Technical Issues: Look for any technical errors in the system logs or dumps that might provide more insight into the problem.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like /SAPAPO/ATPC to access ATP configuration and settings.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches.
  Documentation: Refer to the SAP Help Portal for detailed documentation on ATP functionality and troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups for additional insights and shared experiences from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.