BUT
Port 443 SSL activated ->Webserver Ubuntu 18.04 Port 80 : NO SSL
Your session are surely broken here.
What is you sesssion cookies param (in browser console).
Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
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I think secure force SSL then
Session cookies is lost during ->Webserver Ubuntu 18.04 Port 80 : NO SSL
Try with force SSL on + ssl_emergency_override to true
Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member. -
Professional support
-
Plugins, theme and development
. I don't answer to private message.