How To Fix /SAPAPO/TDL_DAO123 - Error reading from BI: Table name is already in use

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TDL_DAO -

• Message number: 123

• Message text: Error reading from BI: Table name is already in use

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/TDL_DAO123 - Error reading from BI: Table name is already in use ?

  The SAP error message /SAPAPO/TDL_DAO123 indicates that there is an issue related to reading data from the Business Intelligence (BI) system, specifically that a table name is already in use. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when it tries to access or manipulate data in a BI table that is currently locked or being used by another process.
  Causes:
  
  Table Locking: The most common cause is that the table in question is locked by another transaction or process. This can happen if another user or job is currently accessing or modifying the same table.
  Long-running Queries: If there are long-running queries or processes that are holding locks on the table, it can lead to this error.
  Configuration Issues: There may be configuration issues in the APO or BI system that are causing the table to be incorrectly flagged as in use.
  Data Transfer Issues: Problems during data transfer between BI and APO can also lead to this error, especially if the data is being updated or changed during the transfer.
  
  Solutions:
  
  Check for Locks: Use transaction codes like SM12 in SAP to check for any locks on the table. If you find locks that are not needed, you can release them (with caution).
  Identify Running Processes: Use transaction SM66 or SM50 to identify any long-running processes that might be holding locks on the table. You may need to wait for these processes to complete or terminate them if they are stuck.
  Review Job Scheduling: If this error occurs during a scheduled job, review the job scheduling to ensure that jobs are not overlapping in a way that causes table locks.
  Check Configuration: Review the configuration settings in both the APO and BI systems to ensure that they are set up correctly and that there are no inconsistencies.
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve the issue if it was caused by a temporary lock.
  Consult Logs: Check the application logs for more detailed error messages that might provide additional context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the official SAP documentation for both APO and BI to understand how they interact and any specific configurations that might be relevant.
  Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it impacts business operations.
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/TDL_DAO123 error effectively.