SQL Error While Filtering

[Cobalt60]

Full error:

<error>
<dateline>1578505893</dateline>
<script></script>
<line>0</line>
<type>20</type>

<friendly_type>MyBB SQL Error</friendly_type>

<message>SQL Error: 1054 - Unknown column 'tfd.xtldcat' in 'where clause'
Query: SELECT COUNT(tid) AS threads FROM iioc_threads t WHERE fid = '44'  AND (t.visible IN (1,-1,0)) AND tfd.`xtldcat` IN ("Filter-word")  </message>

<back_trace>#0  errorHandler->log_error(20, SQL Error: 1054 - Unknown column 'tfd.xtldcat' in 'where clause'
Query: SELECT COUNT(tid) AS threads FROM iioc_threads t WHERE fid = '44'  AND (t.visible IN (1,-1,0)) AND tfd.`xtldcat` IN ("Filter-word")  , , 0) called at [/hp/bv/ab/cf/www/forum-url/inc/class_error.php:189]
#1  errorHandler->error(20, Array ([error_no] => 1054,[error] => Unknown column 'tfd.xtldcat' in 'where clause',[query] => SELECT COUNT(tid) AS threads FROM iioc_threads t WHERE fid = '44'  AND (t.visible IN (1,-1,0)) AND tfd.`xtldcat` IN ("Filter-word")  )) called at [/hp/bv/ab/cf/www/forum-url/inc/db_mysqli.php:597]
#2  DB_MySQLi->error(SELECT COUNT(tid) AS threads FROM iioc_threads t WHERE fid = '44'  AND (t.visible IN (1,-1,0)) AND tfd.`xtldcat` IN ("Filter-word")  ) called at [/hp/bv/ab/cf/www/forum-url/inc/db_mysqli.php:337]
#3  DB_MySQLi->query(SELECT COUNT(tid) AS threads FROM iioc_threads t WHERE fid = '44'  AND (t.visible IN (1,-1,0)) AND tfd.`xtldcat` IN ("Filter-word")  , 0, 0) called at [/hp/bv/ab/cf/www/forum-url/inc/plugins/xthreads.php(878) : eval()'d code:8]
#4  _objcont_3->query(SELECT COUNT(tid) AS threads FROM iioc_threads t WHERE fid = '44'  AND (t.visible IN (1,-1,0)) AND tfd.`xtldcat` IN ("Filter-word")  ) called at [/hp/bv/ab/cf/www/forum-url/inc/db_mysqli.php:789]
#5  DB_MySQLi->simple_select(threads t, COUNT(tid) AS threads, fid = '44'  AND (t.visible IN (1,-1,0)) AND tfd.`xtldcat` IN ("Filter-word")  , Array ()) called at [/hp/bv/ab/cf/www/forum-url/inc/plugins/xthreads.php(878) : eval()'d code:24]
#6  _objcont_6->simple_select(threads t, COUNT(tid) AS threads, fid = '44'  AND (t.visible IN (1,-1,0)) AND tfd.`xtldcat` IN ("Filter-word")  ) called at [/hp/bv/ab/cf/www/forum-url/forumdisplay.php:610]
</back_trace>
</error>