I have unpublished Komento for awhile (few months) and reactivate it after migrated to Siteground, please kindly help & check what caused sytnax error!

1) Syntax Error when submit Coment (attached image:komento submit2017-11-21_145200.jpg)
1.1) When post the comment and press submit button
The animated icon is rolling …( for a few minutes)
1.2) Comment is already can be seen in Komento – Comments:
1.3) After few minutes:

2) Where to translate the files, see images below (attached image: kormento translation 2017-11-21_145501.jpg)

3) Facebook login (Seldom use FB, please advise the following)
3.1) Do I need a facebook developer account to activate this facility?
3.2) For FB sharing, Do I require a facebook account too?

Thanks
Ringo
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