Created attachment 3680 [details] [review] C4::Context clearing up system preference on update
Created attachment 3756 [details] [review] clearing up system preference on update We want clear system preferences only once time. Precedent patch cleared its at each set
Created attachment 4066 [details] [review] patch signed-off
this patch fixes a bug when you use the misc/admin/koha-preference script to load syspref (you've previously exported and modified) AND memcache
Simple patch, works, please test and mark resolved
There have been no further reports of problems so I am marking this bug resolved.