How To Fix /LTB/TR_BAS021 - RFC failure occurred

/LTB/TR_BAS021 - Overview

• Message type: E = Error

• Message class: /LTB/TR_BAS -

• Message number: 021

• Message text: RFC failure occurred

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 /LTB/TR_BAS021 - RFC failure occurred ?

  The SAP error message /LTB/TR_BAS021 RFC failure occurred typically indicates that there is a problem with the Remote Function Call (RFC) communication between systems. This error can arise in various scenarios, such as when trying to execute a function module or when there is an issue with the connection to an external system.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved.
  RFC Destination Configuration: The RFC destination may not be configured correctly or may be inactive.
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations.
  System Availability: The target system may be down or not reachable.
  Timeouts: The RFC call may be timing out due to long processing times or heavy load on the system.
  Incorrect Function Module: The function module being called may not exist or may have been changed.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems. You