PHP Fatal error: Declaration of IPS\\forums\\Topic\\hook2153::searchResult(array $indexData, array $authorData, array $itemData, ?array $containerData, array $reputationData, $reviewRating, $iPostedIn, $view, $asItem, $canIgnoreComments = false, $template = null, $reactions = []) must be compatible with IPS\\forums\\Topic\\hook1852::searchResult($indexData, $authorData, $itemData, $containerData, $reputationData, $reviewRating, $iPostedIn, $view, $asItem, $canIgnoreComments = false, $template = null, $reactions = [])
Your method signature is different.