Multiterm cannot create termbase on OneDrive

I'm running trados and multiterm on windows 365 cloud PC, Windows 11. Recent Cloud PC assigns "Document" folder on OneDrive. 

In this environment, Multiterm failed to create termbase file on it's default place, "Document/Studio 2022/Termbases", with "invalid flename" message.

(Note: message is in Japanese, so "invalid filename" may slightly different)

Multiterm seems works fine with local disks.

Both Multiterm and trados are latest, 2022 SR2.

(I found several posts on "invalid filename" cases, but it seems different since it works on local drives)

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