How To Fix TQ051 - RFC error when calling function module SUBST_EVAL_LOCATION

TQ051 - Overview

• Message type: E = Error

• Message class: TQ - SAPup Messages

• Message number: 051

• Message text: RFC error when calling function module SUBST_EVAL_LOCATION

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TQ051 - RFC error when calling function module SUBST_EVAL_LOCATION ?

  The SAP error message TQ051, which indicates an RFC (Remote Function Call) error when calling the function module SUBST_EVAL_LOCATION, typically arises due to issues in communication between the SAP systems or problems with the function module itself. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes of TQ051 RFC Error
  
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  
  
  
  Configuration Issues: The RFC destination may not be correctly configured. This includes incorrect settings in the RFC destination (SM59) or missing authorizations.
  
  
  Function Module Issues: The function module SUBST_EVAL_LOCATION may have issues such as incorrect parameters being passed, or it may not be properly implemented in the target system.
  
  
  System Load: The target system may be experiencing high load or may be down, leading to timeouts or failures in processing the RFC call.
  
  
  Authorization Issues: The user executing the RFC call may not have the necessary