How To Fix BT405 - Enter an external program

BT405 - Overview

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 405

• Message text: Enter an external program

What causes this issue?

The input field for an external program is empty.

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?

Enter the name of the external program.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BT405 - Enter an external program ?

  The SAP error message BT405, which states "Enter an external program," typically occurs in the context of Business Transaction Management (BTM) or when dealing with external programs or interfaces in SAP. This error indicates that the system expects an external program to be specified, but it has not been provided.
  
  Cause:
  
  Missing Configuration: The external program that is supposed to be linked or executed is not configured correctly in the system.
  Incorrect Input: The user may not have entered the required information in the relevant fields, leading to the system not recognizing the external program.
  Authorization Issues: The user may not have the necessary permissions to access or execute the external program.
  System Settings: There may be issues with the system settings or parameters that are preventing the external program from being recognized.
  
  
  Solution:
  
  Check Configuration: Ensure that the external program is correctly configured in the SAP system. This may involve checking transaction codes related to BTM