Problem with x509 module

First:
Icinga Web 2 Version
2.7.3
Git commit
06cabfe8ba28cf545a42c92f25484383191a4e51
PHP Version
7.0.33-0+deb9u6
Git commit date
2019-10-18

I’ve created DB, imported schema copied files to /usr/share/icingaweb2/modules, now in the web frontend I can enable the plugin but version remains 0.0.0 and backend do not appear where to set DB settings (Configuration -> Modules -> x509 -> Backend)

Got it, wrong right on the module folder