Добрый день, друзья кто сталкивался с такими ошибками? Чем лечить?
memory_limit стоит 256 mb в php.ini

PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 629830 bytes) in /var/www/user/data/www/site.com/includes/cache.inc on line 346, referer: http://site.com/admin/structure/menu
PHP Fatal error: Out of memory (allocated 82837504) (tried to allocate 20 bytes) in /var/www/user/data/www/site.com/includes/cache.inc on line 434, referer: http://site.com/admin/structure/menu
PHP Fatal error: Out of memory (allocated 82837504) (tried to allocate 52 bytes) in /var/www/user/data/www/site.com/includes/cache.inc on line 434, referer: http://site.com/admin/structure/menu
PHP Fatal error: Out of memory (allocated 66322432) (tried to allocate 46 bytes) in /var/www/user/data/www/site.com/includes/cache.inc on line 450, referer: http://site.com/admin/structure/menu
PHP Fatal error: Out of memory (allocated 52428800) (tried to allocate 26634 bytes) in /var/www/user/data/www/site.com/includes/theme.inc on line 2017, referer: http://site.com/admin/structure/menu
PHP Fatal error: Out of memory (allocated 84410368) (tried to allocate 33165 bytes) in /var/www/user/data/www/site.com/includes/cache.inc on line 450, referer: http://site.com/admin/structure/menu/manage/menu-b-2-1-3-2-1-7
PHP Fatal error: Out of memory (allocated 30932992) (tried to allocate 10569 bytes) in /var/www/user/data/www/site.com/includes/database/select.inc on line 1550, referer: http://site.com/admin/modules
PHP Fatal error: Out of memory (allocated 9699328) (tried to allocate 4864 bytes) in /var/www/user/data/www/site.com/modules/filter/filter.module on line 984, referer: http://site.com/admin/structure
PHP Fatal error: Out of memory (allocated 30146560) (tried to allocate 10423 bytes) in /var/www/user/data/www/site.com/includes/database/query.inc on line 1870, referer: http://site.com/admin/modules
PHP Fatal error: Out of memory (allocated 8912896) (tried to allocate 19456 bytes) in /var/www/user/data/www/site.com/modules/field/field.attach.inc on line 1011, referer: http://site.com/admin/structure/menu
PHP Fatal error: Out of memory (allocated 30670848) (tried to allocate 707265 bytes) in /var/www/user/data/www/site.com/includes/database/database.inc on line 2168, referer: http://site.com/admin/structure/menu
PHP Fatal error: Out of memory (allocated 17039360) (tried to allocate 4864 bytes) in /var/www/user/data/www/site.com/includes/database/mysql/schema.inc on line 385, referer: http://site.com/admin/config/regional/translate/update
PHP Fatal error: Out of memory (allocated 16777216) (tried to allocate 8462 bytes) in /var/www/user/data/www/site.com/includes/common.inc on line 7250, referer: http://site.com/batch?op=start&id=29
PHP Fatal error: Out of memory (allocated 16777216) (tried to allocate 11 bytes) in /var/www/user/data/www/site.com/modules/block/block.module on line 389, referer: http://site.com/admin/reports/status