Error message

• Warning: include_once(): Unable to allocate memory for pool. in _registry_check_code() (line 3469 of /var/www/html/mh6-5/includes/bootstrap.inc).
• Notice: Undefined offset: 1 in counter_get_browser() (line 70 of /var/www/html/mh6-5/sites/all/modules/counter/counter.lib.inc).