How To Fix FDC_POSTING_001152 - Access to session with invalid key.

SAP Error Message - Details

• Message type: E = Error

• Message class: FDC_POSTING_001 - FI Postings

• Message number: 152

• Message text: Access to session with invalid key.

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 FDC_POSTING_001152 - Access to session with invalid key. ?

  The SAP error message FDC_POSTING_001152 ("Access to session with invalid key") typically occurs in the context of financial document processing, particularly when dealing with the Financial Data Collection (FDC) module. This error indicates that there is an attempt to access a session that is no longer valid or has been corrupted.
  Causes:
  
  Session Expiration: The session may have timed out due to inactivity.
  Corrupted Session: The session data may have been corrupted, possibly due to a system error or an unexpected termination of the process.
  Incorrect Session Key: The session key being used to access the session may be incorrect or not matching any existing session.
  Concurrency Issues: Multiple users or processes trying to access the same session simultaneously can lead to conflicts.
  System Configuration Issues: Misconfigurations in the SAP system or the FDC module can lead to session management problems.
  
  Solutions:
  
  Refresh the Session: Log out and log back into the SAP system to refresh your session. This can often resolve temporary session issues.
  Check Session Keys: Ensure that the session key being used is correct and corresponds to an active session.
  Review System Logs: Check the SAP system logs (transaction SM21) for any related errors or warnings that could provide more context about the issue.
  Clear Cache: If applicable, clear the cache of the SAP GUI or the web browser being used to access the SAP system.
  Recreate the Session: If the session is corrupted, you may need to recreate it. This could involve reinitiating the process that led to the session creation.
  Consult SAP Notes: Look for any relevant SAP Notes or patches that address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it is affecting critical business processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FDC (Financial Data Collection) and others that may be involved in the process.
  User Authorizations: Ensure that the user has the necessary authorizations to access the FDC module and the specific session.
  System Performance: Monitor system performance and resource utilization, as high load can sometimes lead to session management issues.
  
  By following these steps, you should be able to diagnose and resolve the FDC_POSTING_001152 error in your SAP environment.