Rated 3 out of 5 stars

Cannot upload my addresbook, it says:

"21 gru 2021, 11:33:25
Thunderbird start 21 gru 2021, 11:32:29
Start upload (remote)
- My_addressbook. (lastMod=before appstart) ...Error 400"

Addressbooks synchronizer v4.2
Thunderbird v 91.4.1 (x32)

It's not a webserver issue - the download functionality works like it should.
Error 400 not shows up when trying upload directly from plugin settings, it says only:
"Start upload (remote)
- My_addressbook. (lastMod=before appstart) ...method not allowed (7)"

Đánh giá này là cho một phiên bản trước của tiện ích (4.2). 

Error 400 is an error from your webserver. Please check the setting of host/path, user and password