How To Fix RSMIGR166 - Drop superfluous DSO MPP tables (table suffix 60)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMIGR - Messages during migration

• Message number: 166

• Message text: Drop superfluous DSO MPP tables (table suffix 60)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSMIGR166 - Drop superfluous DSO MPP tables (table suffix 60) ?

  The SAP error message RSMIGR166, which indicates the need to "Drop superfluous DSO MPP tables (table suffix 60)," typically arises during the data migration process in SAP BW (Business Warehouse) systems. This error is related to the DataStore Objects (DSOs) and their associated MultiProvider (MPP) tables.
  Cause:
  The error occurs when there are redundant or unnecessary MPP tables associated with a DataStore Object that has a suffix of "60." This situation can arise due to various reasons, such as:
  
  Data Model Changes: Changes in the data model or structure of the DSO that render certain MPP tables obsolete.
  Migration Processes: During the migration of data or system upgrades, certain tables may not be cleaned up properly, leading to the presence of superfluous tables.
  Configuration Issues: Incorrect configurations or settings in the BW system can lead to the creation of unnecessary tables.
  
  Solution:
  To resolve the RSMIGR166 error, you can follow these steps:
  
  
  Identify the Superfluous Tables: Use transaction codes like SE11 or SE16 to check the database tables and identify which MPP tables with the suffix "60" are considered superfluous.
  
  
  Backup Data: Before making any changes, ensure that you have a backup of your data and configurations to prevent any data loss.
  
  
  Drop the Tables: You can drop the identified superfluous MPP tables using the following SQL command in the database (ensure you have the necessary authorizations):
  DROP TABLE <table_name>;
  Replace <table_name> with the actual name of the table you want to drop.
  
  
  Check for Dependencies: Ensure that the tables you are dropping are not being used by any other objects or processes in the BW system.
  
  
  Run the Data Transfer Process (DTP): After dropping the unnecessary tables, run the DTPs to ensure that the data flow is functioning correctly and that there are no further issues.
  
  
  Monitor the System: After making these changes, monitor the system for any further errors or issues related to data loading or reporting.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or updates related to this error. You can search for notes in the SAP Support Portal.
  Documentation: Review the SAP BW documentation for best practices on managing DataStore Objects and MultiProviders.
  Support: If the issue persists or if you are unsure about the steps, consider reaching out to SAP support or consulting with an SAP BW expert.
  
  By following these steps, you should be able to resolve the RSMIGR166 error and clean up the unnecessary MPP tables in your SAP BW system.