How To Fix CNV_10100100 - Cannot read database table &1; return code (SY-SUBRC) = &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 100

• Message text: Cannot read database table &1; return code (SY-SUBRC) = &2

What causes this issue?

The program tries to access database table &V1&. The system responds
with the return code &V2&.

System Response

The program aborts.

How to fix this error?

Check whether the table is available in the system, and if it contains
records.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10100100 - Cannot read database table &1; return code (SY-SUBRC) = &2 ?

  The SAP error message CNV_10100100 Cannot read database table &1; return code (SY-SUBRC) = &2 typically indicates that there is an issue with accessing a specific database table during a conversion or migration process. This error is often encountered in the context of data migration or system conversion scenarios, particularly when using SAP's tools for data transfer.
  Causes:
  
  Table Does Not Exist: The specified database table (&1) may not exist in the system.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to read the specified table.
  Database Connection Issues: There may be issues with the database connection, such as network problems or database server downtime.
  Corrupted Table: The database table may be corrupted or in an inconsistent state.
  Incorrect Configuration: The configuration settings for the migration or conversion process may be incorrect, leading to attempts to access non-existent or misconfigured tables.
  
  Solutions:
  
  Check Table Existence: Verify that the specified table exists in the database. You can do this by using transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser).
  Review Authorizations: Ensure that the user has the necessary authorizations to access the table. You may need to check roles and permissions in transaction PFCG.
  Database Connection: Check the database connection settings and ensure that the database server is up and running. You can use transaction DBACOCKPIT to monitor database status.
  Table Integrity: If the table exists but is corrupted, you may need to run database repair tools or restore from a backup, depending on the severity of the corruption.
  Configuration Review: Review the configuration settings for the migration or conversion process to ensure that they are correct and point to the right tables.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE16, DBACOCKPIT, and ST22 (for dumps) to diagnose the issue further.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs and Dumps: Review system logs and short dumps (using transaction ST22) for more detailed error messages that may provide additional context for the issue.
  SAP Community: Consider searching or posting in the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement an appropriate solution.