How To Fix PO460 - Protocol error (return code &1)

PO460 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 460

• Message text: Protocol error (return code &1)

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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PO460 - Details

• The SAP error message PO460, which indicates a "Protocol error (return code &1)," typically occurs in the context of 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 protocol mismatches.
  Causes of PO460 Protocol Error
  
  Network Issues: Problems with the network connection can lead to communication failures between systems.
  Configuration Errors: Incorrect settings in the RFC (Remote Function Call) destination or in the communication parameters can cause protocol errors.
  Version Mismatch: If the systems involved are running different versions of the SAP software or different communication protocols, this can lead to incompatibility.
  Firewall or Security Settings: Firewalls or security settings may block the necessary ports or protocols required for communication.
  Timeouts: If a request takes too long to process, it may time out, leading to a protocol error.
  Resource Limitations: Insufficient resources (like memory or processing power) on either