I can only use Denim theme, every time I try to change theme I get these errors:
An error has occurred:
(This text is only displayed to users in the group 'Root'
E_WARNING(2) - preg_match(): Empty regular expression @ /storage/content/x/xx/xx.net/xx_logg/system/classes/config.class.php line 1867
Call Stack
#
Function
File
Line
1 preg_match /storage/content/x/xx/xx.net/xxlogg/system/classes/config.class.php 1867
2 _validates /storage/content/x/xx/xx.net/xxlogg/system/classes/config.class.php 1606
3 updateConfig /storage/content/x/xx/xxt.net/public_html/admin/configuration.php 609
Frank