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

/PF1/MSG_TESTSUPPORT012 - Overview

• 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

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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.

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/PF1/MSG_TESTSUPPORT012 - Details

• 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