How To Fix SHDB_PFW402 - Another application &1 is already active

SHDB_PFW402 - Overview

• Message type: E = Error

• Message class: SHDB_PFW -

• Message number: 402

• Message text: Another application &1 is already active

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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SHDB_PFW402 - Details

• The SAP error message SHDB_PFW402, which states "Another application &1 is already active," typically occurs when you are trying to run a transaction or application that is already open in another session. This can happen in various scenarios, such as when using SAP GUI or when executing batch input sessions.
  
  Cause:
  
  Multiple Sessions: The error usually arises when you attempt to start a transaction that is already running in another session. SAP restricts multiple instances of the same transaction to prevent data inconsistencies.
  Batch Input Sessions: If you are trying to run a batch input session that is already being processed or is still open, you may encounter this error.
  Locking Mechanism: SAP uses a locking mechanism to ensure data integrity, and this error is a result of that mechanism preventing the same transaction from being executed multiple times simultaneously.
  
  
  Solution:
  
  Check Open Sessions: Look for any open sessions in your SAP GUI. You can do