How To Fix FKKBIX726 - Error when reading table &1 of class &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 726

• Message text: Error when reading table &1 of class &2

What causes this issue?

You want to select billable items of class &V2& from table &V1&. An
error occurred when doing so.

System Response

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

How to fix this error?

You may be able to correct the error by updating the configuration of
the class and regenerating the class. For more information, see this
<DS:NA.FKKBIX023>text</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKBIX726 - Error when reading table &1 of class &2 ?

  The SAP error message FKKBIX726 typically indicates an issue related to the reading of a specific table in the context of the SAP system's financial accounting or controlling modules. This error can occur for various reasons, and understanding the cause and potential solutions can help in resolving it.
  Cause:
  
  Table Locking: The table might be locked by another process, preventing your transaction from accessing it.
  Authorization Issues: The user may not have the necessary authorizations to read the specified table.
  Data Consistency Issues: There may be inconsistencies or corruption in the data within the table.
  Configuration Issues: Incorrect configuration settings in the system could lead to this error.
  System Performance: High system load or performance issues could lead to timeouts or failures in reading the table.
  
  Solution:
  
  Check Table Locks: Use transaction codes like SM12 to check for any locks on the table. If you find locks, you may need to wait for the other process to complete or resolve the lock.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the table. You can check this using transaction SU53 or by consulting with your security team.
  Data Consistency Check: Run consistency checks on the relevant tables. You can use transaction codes like SE14 to check and repair database tables.
  Configuration Review: Review the configuration settings related to the module or process you are working with. Ensure that all settings are correct and aligned with your business processes.
  System Performance Monitoring: Monitor system performance using transaction ST22 (dump analysis) or SM21 (system log) to identify any underlying issues that may be affecting performance.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates available that resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (lock entries), SU53 (authorization check), SE14 (table maintenance), ST22 (dump analysis), and SM21 (system log).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the FKKBIX726 error in your SAP system.