MyBB

With a new installation with the newest revision you receive at the end of the installation process
SQL Error:
1062 - Duplicate entry '0' for key 1
Query:
INSERT INTO mybb_adminoptions (`uid`,`cpstyle`,`notes`,`permissions`,`defaultviews`) VALUES ('-4','','','a:5:{s:6:\"config\";a:16:{s:3:\"tab\";s:1:\"1\";s:8:\"settings\";s:1:\"1\";s:7:\"banning\";s:1:\"1\";s:14:\"profile_fields\";s:1:\"1\";s:7:\"smilies\";s:1:\"1\";s:8:\"badwords\";s:1:\"1\";s:6:\"mycode\";s:1:\"1\";s:9:\"languages\";s:1:\"1\";s:10:\"post_icons\";s:1:\"1\";s:14:\"help_documents\";s:1:\"1\";s:7:\"plugins\";s:1:\"1\";s:16:\"attachment_types\";s:1:\"1\";s:9:\"mod_tools\";s:1:\"1\";s:7:\"spiders\";s:1:\"1\";s:9:\"calendars\";s:1:\"1\";s:7:\"warning\";s:1:\"1\";}s:5:\"forum\";a:5:{s:3:\"tab\";s:1:\"1\";s:10:\"management\";s:1:\"1\";s:13:\"announcements\";s:1:\"1\";s:16:\"moderation_queue\";s:1:\"1\";s:11:\"attachments\";s:1:\"1\";}s:5:\"style\";a:3:{s:3:\"tab\";s:1:\"1\";s:6:\"themes\";s:1:\"1\";s:9:\"templates\";s:1:\"1\";}s:5:\"tools\";a:13:{s:3:\"tab\";s:1:\"1\";s:13:\"system_health\";s:1:\"1\";s:5:\"cache\";s:1:\"1\";s:5:\"tasks\";s:1:\"1\";s:8:\"backupdb\";s:1:\"1\";s:10:\"optimizedb\";s:1:\"1\";s:8:\"adminlog\";s:1:\"1\";s:6:\"modlog\";s:1:\"1\";s:15:\"recount_rebuild\";s:1:\"1\";s:8:\"php_info\";s:1:\"1\";s:8:\"maillogs\";s:1:\"1\";s:10:\"mailerrors\";s:1:\"1\";s:10:\"warninglog\";s:1:\"1\";}s:4:\"user\";a:8:{s:3:\"tab\";s:1:\"1\";s:5:\"users\";s:1:\"1\";s:6:\"groups\";s:1:\"1\";s:6:\"titles\";s:1:\"1\";s:7:\"banning\";s:1:\"1\";s:17:\"admin_permissions\";s:1:\"1\";s:9:\"mass_mail\";s:1:\"1\";s:16:\"group_promotions\";s:1:\"1\";}}','a:1:{s:4:\"user\";s:1:\"1\";}')

tested on both my dev server and localhost with the same result.