How To Fix LRM_RULE_EXEC313 - An error occurred when opening a rule session

SAP Error Message - Details

• Message type: E = Error

• Message class: LRM_RULE_EXEC - Runtime

• Message number: 313

• Message text: An error occurred when opening a rule session

What causes this issue?

An error occurred while opening a rule session for:
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System Response

Rule processing of the current object instance is terminated.

How to fix this error?

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

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 LRM_RULE_EXEC313 - An error occurred when opening a rule session ?

  The SAP error message LRM_RULE_EXEC313 indicates that there was an issue when trying to open a rule session in the SAP system. This error typically occurs in the context of SAP Business Rules Framework (BRF+) or similar rule processing environments.
  Possible Causes:
  
  Configuration Issues: The rule session may not be properly configured, or there may be missing parameters required to open the session.
  Authorization Problems: The user may not have the necessary authorizations to access the rule session or execute the rules.
  System Errors: There could be underlying system issues, such as database connectivity problems or issues with the BRF+ application itself.
  Data Issues: The data being passed to the rule session may be invalid or not in the expected format, leading to errors when trying to open the session.
  Version Compatibility: There may be compatibility issues between different versions of SAP components or between the BRF+ and the underlying SAP system.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the rule session to ensure that all required parameters are correctly set.
  Review Authorizations: Ensure that the user executing the rule session has the necessary authorizations. You can check this in transaction SU53 or by reviewing the user's roles and authorizations.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  Data Validation: Validate the input data being passed to the rule session to ensure it meets the expected format and requirements.
  Restart Services: If the issue persists, consider restarting the relevant SAP services or the application server to clear any temporary issues.
  Consult Documentation: Refer to the official SAP documentation for BRF+ or the specific module you are working with for any known issues or additional troubleshooting steps.
  SAP Support: If the problem cannot be resolved, consider reaching out to SAP Support for assistance, providing them with the error message and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BRF+ (for Business Rules Framework) and SLG1 (for application logs).
  SAP Notes: Search for SAP Notes related to the error message or the components involved. SAP Notes often contain fixes or workarounds for known issues.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to diagnose and potentially resolve the error message LRM_RULE_EXEC313.