Missing registry value (Vaults) 0x800434BE error

Hi! 

We have M-Files installed on a terminal server and today we received this error message:

MFConfigDlg.cpp, 128, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
MFConfigDlg.cpp, 238, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
MFConfig.cpp, 116, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
MFClientAccessHelper.cpp, 221, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
CoApplication.cpp, 369, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
CoApplication.cpp, 1104, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
CoApplication.cpp, 1014, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
CoVaultConfiguration.cpp, 4252, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
VaultHelper.cpp, 54, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
VaultHelper.cpp, 329, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
RegistryHelper.cpp, 1676, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
RegistryHelper.cpp, 1578, Missing registry value: SOFTWARE\Motive\M-Files\23.6.12695.4\Client\MFClient\Vaults\L-SOFT Közös\ID. (0x800434BE)
(M-Files 23.6.12695.4 2023-07-12T10:43:02.579Z)

We checked and saw that the registry keys are in order. Everything was fine a few minutes before the error appeared. We have several terminal servers in addition to this, and none of them showed the error. M-Files also works fine on local computers.

What is causing the problem?

ps: The "Közös" means common, it refers to the name of one of the vaults.

Thank you in advance for your answer.

Miklós Tar