Failed to create table

Can you please help me? I cant get a table to create.

CREATE TABLE wp_schedule (
time text NOT NULL COMMENT ‘ ‘,
activity text NOT NULL COMMENT ‘ ‘,
staff text NOT NULL COMMENT ‘ ‘,
task text NOT NULL COMMENT ‘ ‘,
behavior 3 pt scale text NOT NULL COMMENT ‘ ‘,
behavior notes text NOT NULL,
created datetime NOT NULL DEFAULT ‘0000-00-00 00:00:00’ COMMENT ‘Created Datetime’,
updated timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT ‘Updated Datetime’,
PRIMARY KEY(time) )
ENGINE=CSV DEFAULT CHARSET=utf8;