Avoid fatal error on invalid title

diff --git a/includes/Parser.php b/includes/Parser.php
index ada2708..caae1d2 100644 (file)
--- a/includes/Parser.php
+++ b/includes/Parser.php
@@ -2898,13 +2898,14 @@ class Parser
                        }
                        $title = Title::newFromText( $part1, $ns );
 
-                       $checkVariantLink = sizeof($wgContLang->getVariants())>1;
-                       # Check for language variants if the template is not found
-                       if($checkVariantLink && $title->getArticleID() == 0){
-                               $wgContLang->findVariantLink($part1, $title);
-                       }
 
                        if ( !is_null( $title ) ) {
+                               $checkVariantLink = sizeof($wgContLang->getVariants())>1;
+                               # Check for language variants if the template is not found
+                               if($checkVariantLink && $title->getArticleID() == 0){
+                                       $wgContLang->findVariantLink($part1, $title);
+                               }
+
                                if ( !$title->isExternal() ) {
                                        # Check for excessive inclusion
                                        $dbk = $title->getPrefixedDBkey();