How To Fix IU003 - Table & is not locked for a conversion

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 003

• Message text: Table & is not locked for a conversion

What causes this issue?

Conversion should be started or continued for a table. The status of
the conversion could not be determined because no information was found
about the status or sequence of conversion steps for the table.

System Response

The conversion is terminated.

How to fix this error?

This is a serious exception error which might result in a loss of data.
Contact the system administration.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IU003 - Table & is not locked for a conversion ?

  The SAP error message IU003, which states "Table & is not locked for a conversion," typically occurs during data conversion processes, such as during a migration or upgrade when the system attempts to lock a database table for processing but finds that it is not locked.
  Cause:
  
  
  Table Locking Mechanism: The error indicates that the system expected the table to be locked for a conversion process, but it is not. This can happen if:
  
  The table was not properly locked before the conversion process started.
  There is a configuration issue or a missing step in the conversion process.
  Another process or user is accessing the table, preventing it from being locked.
  The conversion program is not correctly identifying the table to lock.
  
  
  
  Database Issues: Sometimes, underlying database issues or misconfigurations can lead to locking problems.
  
  
  Solution:
  
  
  Check Table Locking: Ensure that the table in question is properly locked before the conversion process begins. You can check the locking status using transaction codes like SM12 (to view locks) and SM21 (to view system logs).
  
  
  Review Conversion Steps: Go through the conversion documentation and ensure that all necessary steps have been followed. Make sure that the conversion program is correctly set up to lock the table.
  
  
  Run in Background: If the conversion is being run in the foreground, try running it in the background instead. This can sometimes help with locking issues.
  
  
  Check for Active Sessions: Use transaction SM66 to check for any active sessions that might be accessing the table. If there are active sessions, you may need to wait for them to complete or terminate them if appropriate.
  
  
  Database Consistency Check: Perform a consistency check on the database to ensure there are no underlying issues that could be causing the locking problem.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues related to table locking during conversions.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12, SM21, SM66, and SE38 (to run reports).
  SAP Documentation: Review SAP documentation related to data migration and conversion processes for best practices and troubleshooting tips.
  System Logs: Always check system logs for additional error messages or warnings that might provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the IU003 error effectively.