Page Builder 
Widgets Bundle 
SiteOrigin CSS 
Installer 
Solved: preg_replace_callback(): compilation failed
developerpluginplugin-widgets-bundle · By Harold Kip · 7 years ago · Reply by Andrew Misplon 7 years ago
I ran into the same issue as this one: https://siteorigin.com/thread/warning-preg_replace_callback-compilation-failed, but mine was on a development localhost. I’m no hard-core developer, so I did some searching and found out (on Stack Overflow) that changing [w-.] to [-w.] solved the issue.…