How To Fix BT857 - Internal error occurred when processing parallel RFCs

BT857 - Overview

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 857

• Message text: Internal error occurred when processing parallel RFCs

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 BT857 - Internal error occurred when processing parallel RFCs ?

  The SAP error message BT857, which states "Internal error occurred when processing parallel RFCs," typically indicates an issue related to the execution of parallel Remote Function Calls (RFCs) in the SAP system. This error can arise due to various reasons, including system configuration issues, resource limitations, or bugs in the SAP software.
  Causes:
  
  Resource Limitations: The system may be running out of resources (e.g., memory, CPU) when trying to handle multiple parallel RFCs.
  
  Configuration Issues: Incorrect settings in the SAP system related to parallel processing or RFC configuration can lead to this error.
  Network Issues: Problems with network connectivity or performance can affect the execution of parallel RFCs.
  Software Bugs: There may be bugs in the SAP kernel or specific function modules that are being called in parallel.
  Lock Contention: If multiple RFCs are trying to access the same resources or database records, it can lead to contention and errors.
  
  Solutions:
  
  Check System Resources: Monitor the system's performance