How To Fix RSM1478 - Unidentified error occurred when creating a new session

RSM1478 - Overview

• Message type: E = Error

• Message class: RSM1 - Messages for AWB, Scheduler and Monitor (new)

• Message number: 478

• Message text: Unidentified error occurred when creating a new session

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSM1478 - Unidentified error occurred when creating a new session ?

  The SAP error message RSM1478, which states "Unidentified error occurred when creating a new session," typically indicates that there is an issue with the SAP system's ability to create a new session for a user. This can be caused by various factors, and here are some common causes, potential solutions, and related information:
  Causes:
  
  System Resource Limitations: The SAP system may have reached its limit for active sessions or user connections.
  Authorization Issues: The user may not have the necessary authorizations to create a new session.
  
  Configuration Issues: There may be misconfigurations in the SAP system settings related to session management.
  Network Issues: Problems with the network connection between the client and the SAP server can lead to session creation failures.
  SAP Kernel Issues: Bugs or issues in the SAP kernel or application server can also lead to this error.
  
  Solutions:
  
  Check User Sessions: Verify if the user has reached the maximum number of allowed sessions. You can