How To Fix BT170 - Sources of external programs cannot be displayed

SAP Error Message - Details

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 170

• Message text: Sources of external programs cannot be displayed

What causes this issue?

You asked the system to display the source code of a program that is
not part of the SAP System. The background processing system can only
display the source code of programs written in ABAP/4.

System Response

No action taken.

How to fix this error?

To display the program's source code, you must use an editor in your
host system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BT170 - Sources of external programs cannot be displayed ?

  The SAP error message BT170, which states "Sources of external programs cannot be displayed," typically occurs when there is an issue with accessing or displaying the source code of external programs in the SAP system. This can happen for various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to view the source code of external programs.
  Program Type: The program might not be an ABAP program or might be a non-ABAP object, which cannot be displayed in the same way as ABAP programs.
  Missing Source Code: The source code for the external program may not be available in the system, or it may not have been transported correctly.
  System Configuration: There may be configuration issues in the SAP system that prevent the display of external program sources.
  Transport Issues: If the program was recently transported, there may have been issues during