How To Fix /PF1/MSG_TESTSUPPORT012 - Target client must be specified when using RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_TESTSUPPORT -

• Message number: 012

• Message text: Target client must be specified when using RFC

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_TESTSUPPORT012 - Target client must be specified when using RFC ?

  The SAP error message /PF1/MSG_TESTSUPPORT012 Target client must be specified when using RFC typically occurs when you are trying to execute a Remote Function Call (RFC) without specifying the target client. This can happen in various scenarios, such as when using certain test support functions or when calling remote functions in a distributed system.
  Cause:
  The error indicates that the system requires a target client to be specified for the RFC call. This is necessary because the RFC needs to know which client in the SAP system it should connect to in order to execute the requested function.
  Solution:
  To resolve this error, you need to specify the target client in your RFC call. Here are some steps you can take:
  
  
  Check RFC Configuration: Ensure that the RFC destination you are using is correctly configured. You can do this by going to transaction SM59 in the SAP GUI and checking the settings for the RFC destination.
  
  
  Specify Target Client: When making the RFC call, ensure that you include the target client in the parameters. This can usually be done by setting the client parameter in your function module call.
  
  
  Use Correct Function Module: If you are using a specific function module that requires a client parameter, make sure you are using the correct one and passing all required parameters.
  
  
  Review Documentation: Check the documentation for the specific function or module you are using to see if there are any additional requirements or parameters that need to be set.
  
  
  Test in Development: If you are working in a development environment, try to replicate the issue with a simple RFC call to ensure that the problem is not with the specific implementation.
  
  
  Related Information:
  
  RFC Destinations: In SAP, RFC destinations are used to define the connection parameters for remote calls. You can manage these in transaction SM59.
  Client Concept in SAP: SAP systems are multi-client environments, meaning that multiple clients can exist within a single system. Each client can have its own data and configuration, so specifying the correct client is crucial for data integrity.
  SAP Notes: If the issue persists, consider searching for relevant SAP Notes in the SAP Support Portal that might address this specific error message or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the error and successfully execute your RFC calls.