Fatal error: Uncaught Error: Call to undefined function import() in C:\Apache24\htdocs\ojs\plugins\generic\recommendBySimilarity\RecommendBySimilarityPlugin.inc.php:17 Stack trace: #0 C:\Apache24\htdocs\ojs\plugins\generic\recommendBySimilarity\index.php(19): require_once() #1 {main} thrown in C:\Apache24\htdocs\ojs\plugins\generic\recommendBySimilarity\RecommendBySimilarityPlugin.inc.php on line 17