How To Fix SY521 - trfc inactive: &

SY521 - Overview

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 521

• Message text: trfc inactive: &

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 SY521 - trfc inactive: & ?

  The SAP error message SY521 indicates that a Transactional RFC (tRFC) is inactive. This error typically occurs when there is an issue with the communication between SAP systems or when the tRFC queue is not properly configured or is in an error state.
  
  Cause:
  
  Inactive tRFC Queue: The tRFC queue for the specified destination is inactive or has been deactivated.
  Network Issues: There may be network connectivity issues between the SAP systems.
  
  Configuration Issues: The RFC destination may not be correctly configured in the SAP system.
  System Errors: There could be underlying system errors or issues with the SAP application server.
  Authorization Issues: The user may not have the necessary authorizations to execute the tRFC.
  
  
  Solution:
  
  
  Check tRFC Queue:
  
  Use transaction code SM58 to check the status of the tRFC queues. Look for any entries that are in error status and analyze the details.
  If the queue is inactive, you may need to reactivate it.
  
  
  
  Check RFC Destination:
  
  Use transaction code SM59