Error warning, can't access front or back-end now - Joomla! Forum - community, help and support

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hello,
i have site in testing , fine until go access it, , getting error:

fatal error: class 'shlcache_manager' not found in /home/visualeight/testing.neoclassics.org/plugins/system/shlib/shlib.php on line 54

the site here: http://testing.neoclassics.org

when fine, mean wasn't doing updates @ site , when go revisit i'm getting error..?

does know means , if can site back?

any advice on how fix issue? looked @ site via ftp , located above referenced file shlib.php , file right should , line 54 reads line 54 in backup have of site.

is situation take shlib.php backup , overwrite 1 that's on server?

i'm concerned here had 2 components being worked on/looked @ creators having trouble of functionality. but, site worked i'm in situation of trying see if 1 of these companies got components working in admin area , caused this...?

any advice?





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