error "Unable to acquire a lock for caching." what can i do for fix this problem?

error "Unable to acquire a lock for caching." what can i do for fix this problem?

by Serhat Turan -
Number of replies: 1

I was installed moodle 2.4.2 with using cpanel/softaculous and my moodle site is works perfectly for 4 months. but today, i was installed moodlebook theme and i was updated all the database about theme, then i get this error. I don't have any backup, how can i fix my problem? I try to fixing it even upgrading version to 2.4.3 with using softaculous script upgrade system, and my moodle version now 2.4.3 but i still have this error :S:

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In reply to Serhat Turan

Ynt: error "Unable to acquire a lock for caching." what can i do for fix this problem?

by Serhat Turan -

Here is more information, i get this error when i try to re-install database.