MySQL Error : Duplicate entry '0' for key 'PRIMARY'

[EvoDarrenshan]

I get this when making a new thread

Database error in vBulletin 4.2.2:

Invalid SQL:
INSERT INTO thread
	(prefixid, postusername, postuserid, title, iconid, visible, forumid, dateline, open, attach, lastpost, lastposter, lastposterid, replycount, postercount, hiddencount, deletedcount, keywords)
VALUES
	('', 'Silas', 1, 'fdsafdsfdsfds', 0, 1, 5, 1429216987, 1, 0, 1429216987, 'Silas', 1, 0, 1, 0, 0, 'fdsfdsfdsfsdfv, fdsafdsfdsfds');

MySQL Error   : Duplicate entry '0' for key 'PRIMARY'
Error Number  : 1062
Request Date  : Thursday, April 16th 2015 @ 10:43:07 PM
Error Date    : Thursday, April 16th 2015 @ 10:43:07 PM
Script        : #/newthread.php?do=postthread&f=5
Referrer      : #/newthread.php?do=newthread&f=5
IP Address    : 86.179.6.189
Username      : Silas
Classname     : vB_Database
MySQL Version : 5.1.73

Stack Trace:

#0 vB_Database->halt() called in [path]/includes/class_core.php on line 426
#1 vB_Database->execute_query() called in [path]/includes/class_core.php on line 444
#2 vB_Database->query_write() called in [path]/includes/class_dm.php on line 740
#3 vB_DataManager->db_insert() called in [path]/includes/class_dm_threadpost.php on line 1769
#4 vB_DataManager_Thread_FirstPost->save() called in [path]/includes/functions_newpost.php on line 697
#5 build_new_post() called in [path]/newthread.php on line 237
#6 require([path]/newthread.php) called in [path]/dbseo.php on line 474

Then when making a plugin

Database error in vBulletin 4.2.2:

Invalid SQL:

				INSERT INTO productcode
					(productid, version, installcode, uninstallcode)
				VALUES
					('silent_payments',
					'*',
					'$path = DIR . \'/silent/payments\';\r\nif(!file_exists($path . \'/install/install.php\'))\r\n{\r\n    print_dots_stop();\r\n    print_cp_message($path . \'/install/install.php is missing or unreadable.\');\r\n}\r\n\r\nrequire($path . \'/install/install.php\');',
					'');

MySQL Error   : Duplicate entry '0' for key 'PRIMARY'
Error Number  : 1062
Request Date  : Thursday, April 16th 2015 @ 10:42:50 PM
Error Date    : Thursday, April 16th 2015 @ 10:42:50 PM
Script        : #/admincp/plugin.php?do=productimport
Referrer      : #/admincp/plugin.php?do=productadd
IP Address    : 86.179.6.189
Username      : Silas
Classname     : vB_Database
MySQL Version : 5.1.73

Stack Trace:

#0 vB_Database->halt() called in [path]/includes/class_core.php on line 426
#1 vB_Database->execute_query() called in [path]/includes/class_core.php on line 444
#2 vB_Database->query_write() called in [path]/includes/adminfunctions_plugin.php on line 1231
#3 install_product() called in [path]/admincp/plugin.php on line 1749