Edit: there are no major changes in the database structure between MyBB 1.8.10 & MyBB 1.8.11
looks like your earlier upgrade was not executed in correct manner or your installation was not perfect !
SQL query to create the missing table:
looks like your earlier upgrade was not executed in correct manner or your installation was not perfect !
SQL query to create the missing table:
CREATE TABLE mybb_reportreasons (
rid int unsigned NOT NULL auto_increment,
title varchar(250) NOT NULL default '',
appliesto varchar(250) NOT NULL default '',
extra tinyint(1) NOT NULL default '0',
disporder smallint unsigned NOT NULL default '0',
PRIMARY KEY (rid)
) ENGINE=MyISAM;