Dear colleagues, please help solve the problem with Publons Plugin.
Installation - activation is successful.
But when we try to press Connection button to start using this plugin, we get an error
Failed Ajax request or invalid JSON returned
this is the log
GET /index.php/test/$$$call$$$/grid/settings/plugins/settings-plugin-grid/manage?verb=connect&plugin=PublonsPlugin&category=generic&_=1560968103760 HTTP/1.0" 500 0 "https://tour.dp.ua/index.php/test/management/settings/website" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.90 Safari/537.36
We tried to run the module on such versions: 126.96.36.199, 188.8.131.52, 184.108.40.206
Maybe someone has already encountered this problem. Please, help.