impossible to access FO

[dexter89]

my website is work fine but when client try to access  to their account with password and mail ( even fb login) , nothing is showing just logo of my webseite.

error in console : uncaught TypeError: slider_post.owlCarousel is not a function prestashop

and  in debug show :

Notice: Undefined index: SP_layoutRes in /var/www/prestashop/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 97

Notice: Trying to get property of non-object in /var/www/prestashop/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 97

Notice: Undefined index: SP_body_bg_pattern in /var/www/prestashop/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 167

Notice: Trying to get property of non-object in /var/www/prestashop/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 167

Notice: Undefined index: SP_layoutStyle in /var/www/prestashop/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 168

Notice: Trying to get property of non-object in /var/www/prestashop/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 168

please any help about this type of erroe

ps: version prestashop 1.6.1.4