Exception encountered, of type &quot;TypeError&quot;<br />
[76123305] /wiki/api.php?action=query&amp;generator=iwbacklinks&amp;giwbltitle=Test&amp;giwblprefix=wikibooks&amp;prop=info   TypeError from line 267 of /home/setswana/www.setswana.info/wiki/includes/api/ApiQueryBase.php: count(): Argument #1 ($value) must be of type Countable|array, string given<br />
Backtrace:<br />
#0 /home/setswana/www.setswana.info/wiki/includes/api/ApiQueryIWBacklinks.php(87): ApiQueryBase-&gt;addWhereFld(string, string)<br />
#1 /home/setswana/www.setswana.info/wiki/includes/api/ApiQueryIWBacklinks.php(43): ApiQueryIWBacklinks-&gt;run(ApiPageSet)<br />
#2 /home/setswana/www.setswana.info/wiki/includes/api/ApiPageSet.php(172): ApiQueryIWBacklinks-&gt;executeGenerator(ApiPageSet)<br />
#3 /home/setswana/www.setswana.info/wiki/includes/api/ApiPageSet.php(136): ApiPageSet-&gt;executeInternal(boolean)<br />
#4 /home/setswana/www.setswana.info/wiki/includes/api/ApiQuery.php(271): ApiPageSet-&gt;execute()<br />
#5 /home/setswana/www.setswana.info/wiki/includes/api/ApiMain.php(1233): ApiQuery-&gt;execute()<br />
#6 /home/setswana/www.setswana.info/wiki/includes/api/ApiMain.php(433): ApiMain-&gt;executeAction()<br />
#7 /home/setswana/www.setswana.info/wiki/includes/api/ApiMain.php(405): ApiMain-&gt;executeActionWithErrorHandling()<br />
#8 /home/setswana/www.setswana.info/wiki/api.php(88): ApiMain-&gt;execute()<br />
#9 {main}<br />