How To Fix E1120 - Packet size for asynchronous RFC has errors: &

SAP Error Message - Details

• Message type: E = Error

• Message class: E1 - Messages for IDoc Basis

• Message number: 120

• Message text: Packet size for asynchronous RFC has errors: &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message E1120 - Packet size for asynchronous RFC has errors: & ?

  The SAP error message E1120, which states "Packet size for asynchronous RFC has errors: &," typically indicates an issue with the configuration of the Remote Function Call (RFC) settings in your SAP system. This error can occur when the packet size for asynchronous RFC communication exceeds the allowed limits or is incorrectly configured.
  Causes:
  
  
  Configuration Issues: The packet size for asynchronous RFC may be set incorrectly in the SAP system configuration.
  Network Issues: Network problems can lead to packet fragmentation or loss, which may trigger this error.
  Version Compatibility: Incompatibility between different SAP system versions or between SAP and third-party systems can also lead to this error.
  Resource Limitations: Insufficient system resources (like memory or processing power) can affect the handling of RFC calls.
  
  Solutions:
  
  
  Check RFC Configuration:
  
  Go to transaction RZ10 to check the profile parameters related to RFC. Look for parameters like rfc_max_packet_size and ensure they are set to appropriate values.
  Adjust the rfc_max_packet_size parameter if necessary.