php - Fatal error: Class 'Mfn_Tag_Cloud_Widget' not found | Wordpress -


i had existing wordpress website working great. suddenly, couldn't log in admin panel, found error:

fatal error: class 'mfn_tag_cloud_widget' not found in /public_html/wp-includes/class-wp-widget-factory.php on line 106

after searching, don't find same error!

p.s: front-end developer, don't have experience wordpress issues!

*note: fixed partially commenting #106 line, wp dashboard working.

but widgets have been disappeared , there aren't "available widgets" in "widget" tab.

the whole website sidebar doesn't exist now, gives me message: "this template supports sidebar's widgets. add 1 or use full width layout." guess first issue has affected on widgets!

any help!?


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