trouble installing easy discount mod

[nihanshe]

Hi easy discount link is showing in the Order Total Modules but when I go to click install get this error

 

1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'true', 'false'), ', now())' at line 2

 

insert into configuration (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Activate Easy Discount', 'MODULE_ORDER_TOTAL_EASY_DISCOUNT_STATUS', 'true', 'Do you want to enable the Easy discount module?', '6', '1','tep_cfg_select_option(array('true', 'false'), ', now())

 

[TEP STOP]

 

just don't know what to do

 

I also have this error when I click on the link to go to my store

 

Fatal error: Call to undefined function: tep_session_is_registered() in /home/turnedwooduk/public_html/catalog/includes/application_top.php on line 127

 

please please help me been try to get this right for a week now

 

Regards Mervyn