How To Fix MDC_HDB_MTC022 - Error while creating indexes

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_HDB_MTC - Message class for master data consolidation matching

• Message number: 022

• Message text: Error while creating indexes

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_HDB_MTC022 - Error while creating indexes ?

  The SAP error message MDC_HDB_MTC022 typically indicates that there was an issue while trying to create indexes in the SAP HANA database. This error can arise due to various reasons, including but not limited to:
  Causes:
  
  Insufficient Privileges: The user executing the index creation may not have the necessary permissions to create indexes on the specified table.
  Table Locking: The table on which the index is being created might be locked by another transaction, preventing the index creation.
  Resource Limitations: There may be insufficient system resources (like memory or disk space) available to create the index.
  Existing Index Conflicts: There may be existing indexes that conflict with the new index being created, such as duplicate indexes.
  Data Type Issues: The data types of the columns being indexed may not be compatible with the index creation process.
  Database Corruption: In rare cases, there may be corruption in the database that is preventing the index from being created.
  
  Solutions:
  
  Check User Privileges: Ensure that the user has the necessary privileges to create indexes on the target table. You may need to grant the appropriate permissions.
  Check for Locks: Use the SAP HANA Studio or SQL commands to check if the table is locked. If it is, you may need to wait for the lock to be released or terminate the blocking transaction.
  Monitor System Resources: Check the system resources (CPU, memory, disk space) to ensure that there are enough resources available for the index creation process.
  Review Existing Indexes: Check for existing indexes on the table that may conflict with the new index. You may need to drop or modify existing indexes.
  Validate Data Types: Ensure that the data types of the columns being indexed are appropriate for indexing. You may need to modify the table structure if necessary.
  Database Health Check: Perform a health check on the database to identify any potential corruption or issues. You may need to restore from a backup if corruption is found.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any patches or updates that may address the issue.
  SAP HANA Documentation: Refer to the official SAP HANA documentation for guidelines on index creation and troubleshooting.
  Transaction Logs: Review transaction logs for any additional error messages or warnings that may provide more context about the issue.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with detailed logs and error messages.
  
  By following these steps, you should be able to diagnose and resolve the MDC_HDB_MTC022 error effectively.