How To Fix CA301 - You cannot exit BDCDATA using FCode "bu"

SAP Error Message - Details

• Message type: E = Error

• Message class: CA - CIM messages: ABAP reporting

• Message number: 301

• Message text: You cannot exit BDCDATA using FCode "bu"

What causes this issue?

Internal error. The object cannot be replaced.

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?

INCLUDE NA_SYSAD1

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CA301 - You cannot exit BDCDATA using FCode "bu" ?

  The SAP error message CA301, which states "You cannot exit BDCDATA using FCode 'bu'," typically occurs in the context of using the SAP GUI or when working with batch input sessions. This error is related to the handling of the BDCDATA table, which is used for batch input processing in SAP.
  
  Cause:
  The error is caused when there is an attempt to exit a screen or transaction using a function code (FCode) that is not allowed in the current context. Specifically, the FCode "bu" is not recognized as a valid exit code for the BDCDATA processing. This can happen if:
  
  The batch input session is not properly configured.
  There is an attempt to use a function code that is not supported in the current screen or transaction.
  The program or script that is executing the batch input is incorrectly coded.
  
  
  Solution:
  To resolve the CA301 error, you can try the following steps:
  
  
  Check the Function Code: Ensure that