So I opened my error.log file and this was the error:
<error>
<dateline>1606243446</dateline>
<script></script>
<line>0</line>
<type>20</type>
<friendly_type>MyBB SQL Error</friendly_type>
<message>SQL Error: 1364 - Field 'default_tab' doesn't have a default value
Query:
INSERT
INTO mybb_users (`username`,`password`,`salt`,`loginkey`,`email`,`postnum`,`threadnum`,`avatar`,`avatartype`,`usergroup`,`additionalgroups`,`displaygroup`,`usertitle`,`regdate`,`lastactive`,`lastvisit`,`website`,`icq`,`skype`,`google`,`birthday`,`signature`,`allownotices`,`hideemail`,`subscriptionmethod`,`receivepms`,`receivefrombuddy`,`pmnotice`,`pmnotify`,`showimages`,`showvideos`,`showsigs`,`showavatars`,`showquickreply`,`showredirect`,`tpp`,`ppp`,`invisible`,`style`,`timezone`,`dstcorrection`,`threadmode`,`daysprune`,`dateformat`,`timeformat`,`regip`,`language`,`showcodebuttons`,`sourceeditor`,`buddyrequestspm`,`buddyrequestsauto`,`away`,`awaydate`,`returndate`,`awayreason`,`notepad`,`referrer`,`referrals`,`buddylist`,`ignorelist`,`pmfolders`,`warningpoints`,`moderateposts`,`moderationtime`,`suspendposting`,`suspensiontime`,`coppauser`,`classicpostbit`,`usernotes`)
VALUES ('test','48416f6141d6a0885ac97917d17f42e4','KQY1JIp4','J3W0F8EHEGTnYTDBIry0mewljSqsUJ5aDH1eaJJpb67Un6XwXj','[email protected]',0,0,'','',5,'',0,'',1606243446,1606243446,1606243446,'',0,'','','','',1,0,0,1,0,1,0,1,1,1,1,1,1,0,0,0,0,'0',2,'',0,'','',X'd964f2f2','',1,0,1,0,0,0,0,'','',0,0,'','','0**$%%$1**$%%$2**$%%$3**$%%$4**',0,0,0,0,0,0,0,'')
</message>
<back_trace>#0 errorHandler->error() called at [/inc/db_mysqli.php:597]
#1 DB_MySQLi->error() called at [/inc/db_mysqli.php:337]
#2 DB_MySQLi->query() called at [/inc/db_mysqli.php:370]
#3 DB_MySQLi->write_query() called at [/inc/db_mysqli.php:830]
#4 DB_MySQLi->insert_query() called at [/inc/datahandlers/user.php:1192]
#5 UserDataHandler->insert_user() called at [/member.php:383]
</back_trace>
</error>
<error>
<dateline>1610290545</dateline>
<script></script>
<line>0</line>
<type>20</type>
<friendly_type>MyBB SQL Error</friendly_type>
<message>SQL Error: 1364 - Field 'myachievements' doesn't have a default value
Query:
INSERT
INTO mybb_users (`username`,`password`,`salt`,`loginkey`,`email`,`postnum`,`threadnum`,`avatar`,`avatartype`,`usergroup`,`additionalgroups`,`displaygroup`,`usertitle`,`regdate`,`lastactive`,`lastvisit`,`website`,`icq`,`skype`,`google`,`birthday`,`signature`,`allownotices`,`hideemail`,`subscriptionmethod`,`receivepms`,`receivefrombuddy`,`pmnotice`,`pmnotify`,`showimages`,`showvideos`,`showsigs`,`showavatars`,`showquickreply`,`showredirect`,`tpp`,`ppp`,`invisible`,`style`,`timezone`,`dstcorrection`,`threadmode`,`daysprune`,`dateformat`,`timeformat`,`regip`,`language`,`showcodebuttons`,`sourceeditor`,`buddyrequestspm`,`buddyrequestsauto`,`away`,`awaydate`,`returndate`,`awayreason`,`notepad`,`referrer`,`referrals`,`buddylist`,`ignorelist`,`pmfolders`,`warningpoints`,`moderateposts`,`moderationtime`,`suspendposting`,`suspensiontime`,`coppauser`,`classicpostbit`,`usernotes`,`ougc_awards`)
VALUES ('test','4e3fefa657902e5980c10e9d6aaee947','KBzC0hS2','83x22y0olwt0RGfwnKA58knvP5zjFGDX33As3oInaRNyqSHSIa','[email protected]',0,0,'','',5,'',0,'',1610290545,1610290545,1610290545,'',0,'','','','',1,0,0,1,0,1,0,1,1,1,1,1,1,0,0,0,0,'1',2,'',0,'','',X'd964f2f2','',1,0,1,0,0,0,0,'','',0,0,'','','0**$%%$1**$%%$2**$%%$3**$%%$4**',0,0,0,0,0,0,0,'','')
</message>
<back_trace>#0 errorHandler->error() called at [/inc/db_mysqli.php:597]
#1 DB_MySQLi->error() called at [/inc/db_mysqli.php:337]
#2 DB_MySQLi->query() called at [/inc/db_mysqli.php:370]
#3 DB_MySQLi->write_query() called at [/inc/db_mysqli.php:830]
#4 DB_MySQLi->insert_query() called at [/inc/datahandlers/user.php:1192]
#5 UserDataHandler->insert_user() called at [/member.php:383]
</back_trace>
</error>
<error>
<dateline>1610485476</dateline>
<script></script>
<line>0</line>
<type>20</type>
<friendly_type>MyBB SQL Error</friendly_type>
<message>SQL Error: 1364 - Field 'myachievements' doesn't have a default value
Query:
INSERT
INTO mybb_users (`username`,`password`,`salt`,`loginkey`,`email`,`postnum`,`threadnum`,`avatar`,`avatartype`,`usergroup`,`additionalgroups`,`displaygroup`,`usertitle`,`regdate`,`lastactive`,`lastvisit`,`website`,`icq`,`skype`,`google`,`birthday`,`signature`,`allownotices`,`hideemail`,`subscriptionmethod`,`receivepms`,`receivefrombuddy`,`pmnotice`,`pmnotify`,`showimages`,`showvideos`,`showsigs`,`showavatars`,`showquickreply`,`showredirect`,`tpp`,`ppp`,`invisible`,`style`,`timezone`,`dstcorrection`,`threadmode`,`daysprune`,`dateformat`,`timeformat`,`regip`,`language`,`showcodebuttons`,`sourceeditor`,`buddyrequestspm`,`buddyrequestsauto`,`away`,`awaydate`,`returndate`,`awayreason`,`notepad`,`referrer`,`referrals`,`buddylist`,`ignorelist`,`pmfolders`,`warningpoints`,`moderateposts`,`moderationtime`,`suspendposting`,`suspensiontime`,`coppauser`,`classicpostbit`,`usernotes`,`ougc_awards`)
VALUES ('Tester','07ee8509e4c3212d68c3eeb577ca3ca5','uzOXJ19b','n19lRlFPwXd2MSE9ec8SaEzkGR6KVYaVPA2x1HY07Yh1MFCea6','[email protected]',0,0,'','',5,'',0,'',1610485476,1610485476,1610485476,'',0,'','','','',1,0,0,1,0,1,0,1,1,1,1,1,1,0,0,0,0,'1',2,'',0,'','',X'd964f2f2','',1,0,1,0,0,0,0,'','',0,0,'','','0**$%%$1**$%%$2**$%%$3**$%%$4**',0,0,0,0,0,0,0,'','')
</message>
<back_trace>#0 errorHandler->error() called at [/inc/db_mysqli.php:597]
#1 DB_MySQLi->error() called at [/inc/db_mysqli.php:337]
#2 DB_MySQLi->query() called at [/inc/db_mysqli.php:370]
#3 DB_MySQLi->write_query() called at [/inc/db_mysqli.php:830]
#4 DB_MySQLi->insert_query() called at [/inc/datahandlers/user.php:1192]
#5 UserDataHandler->insert_user() called at [/member.php:383]
</back_trace>
</error>
<error>
<dateline>1610565016</dateline>
<script></script>
<line>0</line>
<type>20</type>
<friendly_type>MyBB SQL Error</friendly_type>
<message>SQL Error: 1364 - Field 'default_tab' doesn't have a default value
Query:
INSERT
INTO mybb_users (`username`,`password`,`salt`,`loginkey`,`email`,`postnum`,`threadnum`,`avatar`,`avatartype`,`usergroup`,`additionalgroups`,`displaygroup`,`usertitle`,`regdate`,`lastactive`,`lastvisit`,`website`,`icq`,`skype`,`google`,`birthday`,`signature`,`allownotices`,`hideemail`,`subscriptionmethod`,`receivepms`,`receivefrombuddy`,`pmnotice`,`pmnotify`,`showimages`,`showvideos`,`showsigs`,`showavatars`,`showquickreply`,`showredirect`,`tpp`,`ppp`,`invisible`,`style`,`timezone`,`dstcorrection`,`threadmode`,`daysprune`,`dateformat`,`timeformat`,`regip`,`language`,`showcodebuttons`,`sourceeditor`,`buddyrequestspm`,`buddyrequestsauto`,`away`,`awaydate`,`returndate`,`awayreason`,`notepad`,`referrer`,`referrals`,`buddylist`,`ignorelist`,`pmfolders`,`warningpoints`,`moderateposts`,`moderationtime`,`suspendposting`,`suspensiontime`,`coppauser`,`classicpostbit`,`usernotes`,`ougc_awards`)
VALUES ('Tester12','e1eb559f7b74e541aa990e1011d5fda7','LvBaWwlZ','SaQYfDFpV9zVUAr6Nd3k6ucmaHwEjTSxJdRNNDwfAwwkqBM0DS','[email protected]',0,0,'','',5,'',0,'',1610565016,1610565016,1610565016,'',0,'','','','',1,0,0,1,0,1,0,1,1,1,1,1,1,0,0,0,0,'1',2,'',0,'','',X'd964f2f2','',1,0,1,0,0,0,0,'','',0,0,'','','0**$%%$1**$%%$2**$%%$3**$%%$4**',0,0,0,0,0,0,0,'','')
</message>
<back_trace>#0 errorHandler->error() called at [/inc/db_mysqli.php:597]
#1 DB_MySQLi->error() called at [/inc/db_mysqli.php:337]
#2 DB_MySQLi->query() called at [/inc/db_mysqli.php:370]
#3 DB_MySQLi->write_query() called at [/inc/db_mysqli.php:830]
#4 DB_MySQLi->insert_query() called at [/inc/datahandlers/user.php:1192]
#5 UserDataHandler->insert_user() called at [/member.php:383]
</back_trace>
</error>