How To Fix MC335 - Error occurred when generating the explain plan for the search help

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 335

• Message text: Error occurred when generating the explain plan for the search help

What causes this issue?

For a transparent matchcode ID, the explain plan should be generated
for this search help. An error occurred when generating this plan.

System Response

The system continues after the message.

How to fix this error?

Activate the matchcode ID again. You can use transaction SE11 here.
Then try to generate the explain plan again. If the error occurs again,
please contact the SAP hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC335 - Error occurred when generating the explain plan for the search help ?

  The SAP error message MC335, which states "Error occurred when generating the explain plan for the search help," typically occurs when there is an issue with the database query execution plan for a search help in SAP. This can happen for various reasons, including issues with the underlying database, incorrect configurations, or problems with the search help definition itself.
  Causes:
  
  Database Issues: The database may not be able to generate an execution plan due to issues like missing statistics, corrupted indexes, or other database-related problems.
  Search Help Definition: The search help may be incorrectly defined, leading to issues when the system tries to generate the execution plan.
  Authorization Issues: The user may not have the necessary authorizations to execute the search help or access the underlying database objects.
  Performance Issues: If the database is under heavy load or if there are performance issues, it may fail to generate the execution plan in a timely manner.
  Database Version or Compatibility: There may be compatibility issues between the SAP system and the database version being used.
  
  Solutions:
  
  Check Database Statistics: Ensure that the database statistics are up to date. You can run the appropriate commands in your database to gather statistics for the tables involved in the search help.
  Review Search Help Definition: Check the definition of the search help in transaction SE11 or SE80. Ensure that all fields and tables referenced are correctly defined and accessible.
  Check Authorizations: Verify that the user executing the search help has the necessary authorizations to access the relevant database tables and objects.
  Database Maintenance: Perform maintenance tasks on the database, such as rebuilding indexes or checking for corruption.
  Analyze Performance: Monitor the database performance to identify any bottlenecks or issues that may be affecting the execution plan generation.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Debugging: If you have access to debugging tools, you can try to debug the search help execution to identify where the error occurs.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and ST22 (Dump Analysis) to investigate the issue further.
  SAP Notes: Search for SAP Notes related to MC335 or search helps in general, as they may provide specific fixes or workarounds.
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, HANA, SQL Server) for troubleshooting tips related to execution plans.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.