I place template on a test hosting....
When i use php5.6 i cant open settings of any module.
When i use php7.0 i can open and change module settings in the debug joomla mode...
Can you fix the problem? Or tell me what i shoud change in system settings to work fine with the template?

PHP Linux vh74 3.10.0--generic-shared-3.2-20160306 #1 SMP Wed Nov 2 16:03:23 UTC 2016 x86_64
DataBase 5.6.33-79.0-log utf8_general_ci
PHP 7.0.4-pl0-gentoo
Apache/2.2.29 (Gentoo) mod_dp/0.99.7 PHP/7.0.4-pl0-gentoo

Joomla! 3.6.5 Stable [ Noether ] 1-December-2016 22:46 GMT
Joomla! Platform Joomla Platform 13.1.0 Stable [ Curiosity ] 24-Apr-2013 00:00 GMT