How To Fix O3388 - QCI: RFC-Error: &

O3388 - Overview

• Message type: E = Error

• Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

• Message number: 388

• Message text: QCI: RFC-Error: &

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 O3388 - QCI: RFC-Error: & ?

  The SAP error message O3388 QCI: RFC-Error: & typically indicates that there is an issue with Remote Function Call (RFC) communication between SAP systems or between an SAP system and an external system. This error can arise due to various reasons, including network issues, configuration problems, or authorization issues.
  Causes:
  
  Network Issues: Problems with the network connection between the systems can lead to RFC errors. This could be due to firewalls, routing issues, or network outages.
  Configuration Errors: Incorrect configuration of the RFC destination in the SAP system can cause this error. This includes incorrect settings in transaction SM59.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  System Availability: The target system may be down or not reachable, leading to an RFC error.
  Timeouts: If the RFC call takes too long to respond, it may time out and result in an error.
  
  Solutions:
  
  Check Network