the backend of your tool is not accessible any more. i don`t no way exactly.
Notice: Undefined index: sef in /.../libraries/src/Language/LanguageHelper.php on line 168
i already reported the problem to Vaijava Sharma via PM, but unfortunately i don't get an answer since 2 weeks.
now the test phase of your 14 day premium trail is over and I couldn't really test anything that would have been important to me to decide for your software