These instruction should work and will not take more than 1 hour for them to apply:
open "app/code/community/MageWorx/SeoCrossLinks/Model/Replacer.php"
search for "return $this->_recoveryAfterConvert($modifyHtml);" which should be inside a "public function replace($collection, $html, $maxReplaceCount, $ignoreProductSku = null, $ignoreCategoryId = null)" method
Apply the following changes:
That's, now it should work as a charm.