(i use 2 apc on my vps)
i my case i deactivate on my 3.6 multisite the plugin and still active(!!) and it doesn't show me the the link to delete the plugin via the admin
also, i got this error on my error_log
[15-Aug-2013 15:23:30 UTC]
Error Table 'xxxx_dbsp.wp_users' doesn't exist database WordPress for request SELECT COUNT(*) FROM wp_users INNER JOIN wp_usermeta ON (wp_users.ID = wp_usermeta.user_id) WHERE 1 = 1 AND ( wp_usermeta.meta_key = 'wp_3_capabilities' ) from do_action_ref_array, call_user_func_array, Yoast_Tracking->tracking, W3_Db->query, W3_DbCache->query, W3_DbCallUnderlying->query, W3_Db->query, W3_DbProcessor->query, W3_Db->default_query
[15-Aug-2013 15:49:25 UTC] WordPress database error Table 'xxxx_dbsp.wp_users' doesn't exist for query SELECT COUNT(*) FROM wp_users INNER JOIN wp_usermeta ON (wp_users.ID = wp_usermeta.user_id) WHERE 1 = 1 AND ( wp_usermeta.meta_key = 'wp_1_capabilities' ) made by do_action_ref_array, call_user_func_array, Yoast_Tracking->tracking, W3_Db->query, W3_DbCache->query, W3_DbCallUnderlying->query, W3_Db->query, W3_DbProcessor->query, W3_Db->default_query
[15-Aug-2013 15:53:23 UTC] WordPress database error Table 'xxxx_dbsp.wp_users' doesn't exist for query SELECT COUNT(*) FROM wp_users INNER JOIN wp_usermeta ON (wp_users.ID = wp_usermeta.user_id) WHERE 1 = 1 AND ( wp_usermeta.meta_key = 'wp_2_capabilities' ) made by do_action_ref_array, call_user_func_array, Yoast_Tracking->tracking, W3_Db->query, W3_DbCache->query, W3_DbCallUnderlying->query, W3_Db->query, W3_DbProcessor->query, W3_Db->default_query
for secutiry reasons i have change the prefix "wp_", but why he tried to find the deafualt? how can I fix this?