Exception encountered, of type &quot;TypeError&quot;<br />
[2d9ddee3] /mediawiki/api.php?action=query&amp;list=usercontribs&amp;ucuserprefix=192.0.2.   TypeError from line 267 of /mnt/web220/b1/73/52136173/htdocs/mediawiki/includes/api/ApiQueryBase.php: count(): Argument #1 ($value) must be of type Countable|array, null given<br />
Backtrace:<br />
#0 /mnt/web220/b1/73/52136173/htdocs/mediawiki/includes/api/ApiQueryUserContributions.php(223): ApiQueryBase-&gt;addWhereFld()<br />
#1 /mnt/web220/b1/73/52136173/htdocs/mediawiki/includes/api/ApiQueryUserContributions.php(86): ApiQueryContributions-&gt;prepareQuery()<br />
#2 /mnt/web220/b1/73/52136173/htdocs/mediawiki/includes/api/ApiQuery.php(286): ApiQueryContributions-&gt;execute()<br />
#3 /mnt/web220/b1/73/52136173/htdocs/mediawiki/includes/api/ApiMain.php(1233): ApiQuery-&gt;execute()<br />
#4 /mnt/web220/b1/73/52136173/htdocs/mediawiki/includes/api/ApiMain.php(433): ApiMain-&gt;executeAction()<br />
#5 /mnt/web220/b1/73/52136173/htdocs/mediawiki/includes/api/ApiMain.php(405): ApiMain-&gt;executeActionWithErrorHandling()<br />
#6 /mnt/web220/b1/73/52136173/htdocs/mediawiki/api.php(88): ApiMain-&gt;execute()<br />
#7 {main}<br />