You must add table ots_comunication.
Go , phpmyadmi , databse , Sql , paste it :
CREATE TABLE `z_ots_comunication` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(255) NOT NULL,
`type` varchar(255) NOT NULL,
`action` varchar(255) NOT NULL,
`param1` varchar(255) NOT NULL,
`param2`...