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.