How To Fix /SAPAPO/PDEM057 - Error when reading trigger (service: &1 trigger: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 057

• Message text: Error when reading trigger (service: &1 trigger: &2)

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/PDEM057 - Error when reading trigger (service: &1 trigger: &2) ?

  The SAP error message /SAPAPO/PDEM057 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue related to reading a trigger for a specific service. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the underlying database.
  Cause
  
  Missing or Inactive Trigger: The trigger specified in the error message may not exist or may be inactive in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the trigger data.
  Data Inconsistencies: There may be inconsistencies in the data related to the trigger, such as missing entries in the database.
  Configuration Issues: The configuration settings for the service or the trigger may not be set up correctly.
  System Performance: Performance issues or timeouts in the system can also lead to this error.
  
  Solution
  
  Check Trigger Configuration: Verify that the trigger specified in the error message exists and is active. You can do this by navigating to the relevant configuration settings in the SAP APO system.
  Review Authorizations: Ensure that the user encountering the error has the necessary authorizations to access the trigger data. You may need to consult with your SAP security team.
  Data Consistency Check: Perform a consistency check on the data related to the trigger. This may involve checking for missing entries or inconsistencies in the database.
  Reconfigure the Service: If the configuration settings for the service or trigger are incorrect, reconfigure them as needed.
  System Performance Monitoring: Monitor the system performance to identify any bottlenecks or issues that may be causing timeouts. You may need to optimize database performance or increase system resources.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error.
  
  Related Information
  
  Transaction Codes: You may need to use transaction codes such as /SAPAPO/SDP94 (for planning book) or /SAPAPO/PDS (for product data structure) to investigate further.
  SAP Documentation: Refer to the official SAP documentation for APO for more detailed information on triggers and their configuration.
  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 issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or technical team for further investigation.