SQL errors

[kbray1967]

I have downloaded and installed dot.Project. When running a lot of the pages have multiple SQL errors, ie. "incorrect DATETIME value"

ERROR: C:\Users\Ken\Desktop\dotProject-2.2.0\includes\db_adodb.php(67): Error executing:
SELECT distinct tsk.task_id, task_parent, task_name, task_start_date, task_end_date, task_dynamic, task_pinned, pin.user_id as pin_user, task_priority, task_percent_complete, task_duration, task_duration_type, task_project, task_description, task_owner, task_status, usernames.user_username, usernames.user_id, task_milestone, assignees.user_username as assignee_username, count(distinct assignees.user_id) as assignee_count, co.contact_first_name, co.contact_last_name, count(distinct fi.file_task) as file_count, if (tlog.task_log_problem IS NULL, 0, tlog.task_log_problem) AS task_log_problem FROM (dotp_user_tasks as ut3, dotp_tasks as tsk) LEFT JOIN dotp_projects as prj ON project_id = task_project LEFT JOIN dotp_users as usernames ON task_owner = usernames.user_id LEFT JOIN dotp_user_tasks as ut ON ut.task_id = tsk.task_id LEFT JOIN dotp_users as assignees ON assignees.user_id = ut.user_id LEFT JOIN dotp_contacts as co ON co.contact_id = usernames.user_contact LEFT JOIN dotp_task_log AS tlog ON tlog.task_log_task = tsk.task_id AND tlog.task_log_problem > 0 LEFT JOIN dotp_files as fi on tsk.task_id = fi.file_task LEFT JOIN dotp_user_task_pin as pin ON tsk.task_id = pin.task_id AND pin.user_id = 1 WHERE project_status <> 7 AND task_project = prj.project_id AND ut3.user_id = 1 AND ut3.task_id = tsk.task_id AND (task_percent_complete < 100 OR task_end_date = '') AND prj.project_status <> 7 AND prj.project_status <> 4 AND prj.project_status <> 5 AND task_status = 0 GROUP BY tsk.task_id ORDER BY project_id, task_start_date
(Incorrect DATETIME value: '')
Backtrace:
0 C:\Users\Ken\Desktop\dotProject-2.2.0\includes\db_adodb.php:67 dprint('C:\Users\Ken\Desktop\dotProject-2.2.0\includes\db_adodb.php',67,0,'Error executing:
SELECT distinct tsk.task_id, task_parent, task_name, task_start_date, task_end_date, task_dynamic, task_pinned, pin.user_id as pin_user, task_priority, task_percent_complete, task_duration, task_duration_type, task_project, task_description, task_owner, task_status, usernames.user_username, usernames.user_id, task_milestone, assignees.user_username as assignee_username, count(distinct assignees.user_id) as assignee_count, co.contact_first_name, co.contact_last_name, count(distinct fi.file_task) as file_count, if (tlog.task_log_problem IS NULL, 0, tlog.task_log_problem) AS task_log_problem FROM (dotp_user_tasks as ut3, dotp_tasks as tsk) LEFT JOIN dotp_projects as prj ON project_id = task_project LEFT JOIN dotp_users as usernames ON task_owner = usernames.user_id LEFT JOIN dotp_user_tasks as ut ON ut.task_id = tsk.task_id LEFT JOIN dotp_users as assignees ON assignees.user_id = ut.user_id LEFT JOIN dotp_contacts as co ON co.contact_id = usernames.user_contact LEFT JOIN dotp_task_log AS tlog ON tlog.task_log_task = tsk.task_id AND tlog.task_log_problem > 0 LEFT JOIN dotp_files as fi on tsk.task_id = fi.file_task LEFT JOIN dotp_user_task_pin as pin ON tsk.task_id = pin.task_id AND pin.user_id = 1 WHERE project_status <> 7 AND task_project = prj.project_id AND ut3.user_id = 1 AND ut3.task_id = tsk.task_id AND (task_percent_complete < 100 OR task_end_date = '') AND prj.project_status <> 7 AND prj.project_status <> 4 AND prj.project_status <> 5 AND task_status = 0 GROUP BY tsk.task_id ORDER BY project_id, task_start_date
(Incorrect DATETIME value: '')')
1 C:\Users\Ken\Desktop\dotProject-2.2.0\modules\tasks\tasks.php:316 db_exec('SELECT distinct tsk.task_id, task_parent, task_name, task_start_date, task_end_date, task_dynamic, task_pinned, pin.user_id as pin_user, task_priority, task_percent_complete, task_duration, task_duration_type, task_project, task_description, task_owner, task_status, usernames.user_username, usernames.user_id, task_milestone, assignees.user_username as assignee_username, count(distinct assignees.user_id) as assignee_count, co.contact_first_name, co.contact_last_name, count(distinct fi.file_task) as file_count, if (tlog.task_log_problem IS NULL, 0, tlog.task_log_problem) AS task_log_problem FROM (dotp_user_tasks as ut3, dotp_tasks as tsk) LEFT JOIN dotp_projects as prj ON project_id = task_project LEFT JOIN dotp_users as usernames ON task_owner = usernames.user_id LEFT JOIN dotp_user_tasks as ut ON ut.task_id = tsk.task_id LEFT JOIN dotp_users as assignees ON assignees.user_id = ut.user_id LEFT JOIN dotp_contacts as co ON co.contact_id = usernames.user_contact LEFT JOIN dotp_task_log AS tlog ON tlog.task_log_task = tsk.task_id AND tlog.task_log_problem > 0 LEFT JOIN dotp_files as fi on tsk.task_id = fi.file_task LEFT JOIN dotp_user_task_pin as pin ON tsk.task_id = pin.task_id AND pin.user_id = 1 WHERE project_status <> 7 AND task_project = prj.project_id AND ut3.user_id = 1 AND ut3.task_id = tsk.task_id AND (task_percent_complete < 100 OR task_end_date = '') AND prj.project_status <> 7 AND prj.project_status <> 4 AND prj.project_status <> 5 AND task_status = 0 GROUP BY tsk.task_id ORDER BY project_id, task_start_date')
2 C:\Users\Ken\Desktop\dotProject-2.2.0\modules\tasks\index.php:123 include('C:\Users\Ken\Desktop\dotProject-2.2.0\modules\tasks\tasks.php')
3 C:\Users\Ken\Desktop\dotProject-2.2.0\index.php:301 require('C:\Users\Ken\Desktop\dotProject-2.2.0\modules\tasks\index.php')