Check if file index exists

Author: aromka

src/Stackify/Log/Entities/ErrorWrapper.php

@@ -123,7 +123,7 @@ private function filterTrace(array $trace)
         }
         foreach ($trace as $item) {
             // check if path starts with $excludePath
-            if (false === strpos($item['file'], $excludePath)) {
+            if (isset($item['file']) && false === strpos($item['file'], $excludePath)) {
                 $filtered[] = $item;
             }
         }
@@ -141,4 +141,4 @@ private function getFullPathThatContains($searchPath)
         return $result;
     }
 
-}
+}