How To Fix VFKK105 - Currently no connection to financial system possible

SAP Error Message - Details

• Message type: E = Error

• Message class: VFKK -

• Message number: 105

• Message text: Currently no connection to financial system possible

What causes this issue?

It was not possible to establish the RFC (Remote Function Call)
connection to target system, that is, to the accounting system Contract
Accounts Receivable and Payable (FI-CA).

System Response

o Note that functions that require an existing RFC
connection cannot be executed. These include, for example, the display
of the journal entry, or the F4 help for selection of the contract
account.
o You cannot enter your planned business transaction
completely, but you can save it with status incomplete.
o A transfer of the SD billing document to the accounting
system is not possible.
o In display mode, you cannot access all functions (see
above).

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

You must complete any incompletely entered business transactions, once
the RFC connection to the accounting system is available again.
The SD billing document can be transferred, once the RFC connection to
the accounting system is available again.
Contact your system administrator to have the RFC connection
reestablished.

Procedure for System Administrators

Check why the RFC connection to system cannot be established.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VFKK105 - Currently no connection to financial system possible ?

  The SAP error message VFKK105: Currently no connection to financial system possible typically indicates that there is an issue with the integration between the SAP system and the financial system (such as SAP FI or another financial module). This error can occur due to various reasons, including connectivity issues, configuration problems, or system downtime.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the financial system.
  System Downtime: The financial system may be down for maintenance or experiencing outages.
  Configuration Errors: Incorrect configuration settings in the SAP system or the financial system can lead to connection issues.
  Authorization Issues: The user may not have the necessary authorizations to access the financial system.
  RFC Connection Problems: If the connection is established via Remote Function Call (RFC), there may be issues with the RFC destination configuration.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the financial system is stable and functioning properly.
  Verify System Status: Check if the financial system is up and running. If it is down, you may need to wait until it is back online.
  Review Configuration Settings: 
  
  Check the configuration settings in both the SAP system and the financial system to ensure they are correct.
  Verify the RFC destination settings in transaction SM59 to ensure they are properly configured.
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to access the financial system. You may need to consult with your security team to verify this.
  Test RFC Connection: Use transaction SM59 to test the RFC connection to the financial system. If the test fails, investigate the error message for further details.
  Consult Logs: Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59: For managing RFC connections.
  SM21: For viewing system logs.
  SLG1: For viewing application logs.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  Documentation: Review SAP documentation related to financial system integration and troubleshooting connectivity issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further assistance.