How To Fix BT601 - Unable to determine the SAP system number

SAP Error Message - Details

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 601

• Message text: Unable to determine the SAP system number

What causes this issue?

The profile value that specifies the SAP system number could not be
accessed.

System Response

This information is very important to the current program. It cannot
be executed without the SAP system number.

How to fix this error?

This error is indicative of a general problem in the SAP system. Check
the current profile values, in particular parameter SAPSYSTEM.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BT601 - Unable to determine the SAP system number ?

  The SAP error message BT601, which states "Unable to determine the SAP system number," typically occurs in scenarios where the system is unable to identify the system number of the SAP instance you are trying to connect to or work with. This can happen in various contexts, such as during system configuration, transport management, or when using certain SAP tools.
  Causes:
  
  Incorrect Configuration: The SAP system may not be properly configured, leading to an inability to retrieve the system number.
  Missing or Incorrect RFC Destination: If the RFC (Remote Function Call) destination is not set up correctly, the system may not be able to connect to the target system to retrieve the necessary information.
  Network Issues: Network connectivity problems can prevent the system from reaching the required SAP instance.
  Authorization Issues: Lack of proper authorizations for the user trying to access the system can also lead to this error.
  System Profile Issues: The instance profile may