Just updated from Ubuntu 20.04 LTS to 22.04.02 LTS and have run into an issue with creating a new 'Standard Folder' to sync with the folder being on a NAS. This was working just prior to the dist-upgrade. The error in the sync log file is as follows:
[20230314 20:27:39.803] FC[6B7C:5C2F]: init from scratch
[20230314 20:27:39.808] FC[6B7C:5C2F]: will take fs probes in path "/multimedia/Music"
[20230314 20:27:39.811] FC[6B7C:5C2F]: o_excl fs probe passed
[20230314 20:27:40.772] FC[6B7C:5C2F]: unable to remove file after taking o_excl fs probe
[20230314 20:27:40.781] FC[6B7C:5C2F]: unable to find probe stream, marking streams as unsupported
[20230314 20:27:40.788] FC[6B7C:5C2F]: async_io probe taken successfully