Unexpected non-MediaWiki exception encountered, of type &quot;TypeError&quot;<br />
TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in /var/www/html/bcwiki/includes/api/ApiQueryBase.php:183<br />
Stack trace:<br />
#0 /var/www/html/bcwiki/includes/api/ApiQueryAllpages.php(81): ApiQueryBase-&gt;addWhereFld(&#039;page_namespace&#039;, &#039;0&#039;)<br />
#1 /var/www/html/bcwiki/includes/api/ApiQueryAllpages.php(44): ApiQueryAllpages-&gt;run()<br />
#2 /var/www/html/bcwiki/includes/api/ApiQuery.php(224): ApiQueryAllpages-&gt;execute()<br />
#3 /var/www/html/bcwiki/includes/api/ApiMain.php(664): ApiQuery-&gt;execute()<br />
#4 /var/www/html/bcwiki/includes/api/ApiMain.php(309): ApiMain-&gt;executeAction()<br />
#5 /var/www/html/bcwiki/includes/PrefixSearch.php(146): ApiMain-&gt;execute()<br />
#6 /var/www/html/bcwiki/includes/PrefixSearch.php(66): PrefixSearch::defaultSearchBackend(Array, &#039;Te&#039;, 10)<br />
#7 /var/www/html/bcwiki/includes/PrefixSearch.php(33): PrefixSearch::searchBackend(Array, &#039;Te&#039;, 10)<br />
#8 /var/www/html/bcwiki/includes/api/ApiOpenSearch.php(61): PrefixSearch::titleSearch(&#039;Te&#039;, 10, Array)<br />
#9 /var/www/html/bcwiki/includes/api/ApiMain.php(664): ApiOpenSearch-&gt;execute()<br />
#10 /var/www/html/bcwiki/includes/api/ApiMain.php(327): ApiMain-&gt;executeAction()<br />
#11 /var/www/html/bcwiki/includes/api/ApiMain.php(311): ApiMain-&gt;executeActionWithErrorHandling()<br />
#12 /var/www/html/bcwiki/api.php(115): ApiMain-&gt;execute()<br />
#13 {main}<br />