How To Fix R8146 - Update 2.0A metadata tables from 1.2B metadata ...

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 146

• Message text: Update 2.0A metadata tables from 1.2B metadata ...

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 R8146 - Update 2.0A metadata tables from 1.2B metadata ... ?

  The SAP error message R8146, which indicates an issue with updating metadata tables from version 1.2B to 2.0A, typically arises during the upgrade process of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) systems. This error can occur due to various reasons, including inconsistencies in the metadata, issues with the upgrade process, or problems with the underlying database.
  Causes:
  
  Inconsistent Metadata: The metadata in the system may not be consistent or may have been corrupted, leading to issues during the upgrade.
  Upgrade Process Issues: There may have been interruptions or errors during the upgrade process that left the system in an inconsistent state.
  Database Issues: Problems with the underlying database, such as missing tables or incorrect data types, can also lead to this error.
  Custom Developments: Custom objects or modifications in the system may not be compatible with the new version, causing conflicts during the upgrade.
  
  Solutions:
  
  Check Upgrade Logs: Review the upgrade logs for any specific errors or warnings that occurred during the upgrade process. This can provide insights into what went wrong.
  Consistency Check: Run consistency checks on the metadata to identify and resolve any inconsistencies. This can often be done using transaction codes like RSA1 (for BW) or other relevant tools.
  Re-run Upgrade Steps: If the upgrade process was interrupted, consider re-running the upgrade steps to ensure that all necessary updates are applied.
  Database Integrity Check: Perform a database integrity check to ensure that all tables and data types are correct and that there are no missing components.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific details of your system and the error encountered.
  
  Related Information:
  
  SAP BW/BI Upgrade Documentation: Review the official SAP documentation related to upgrading BW/BI systems for best practices and troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSCUSTV10 (for customizing settings), and others that may help in diagnosing the issue.
  Backup: Always ensure that you have a complete backup of your system before performing upgrades or major changes, allowing you to restore to a previous state if necessary.
  
  By following these steps, you should be able to identify the cause of the R8146 error and implement a solution to resolve it.