Bugfix: Check that key exists before use.

1 files changed, 4 insertions, 3 deletions

diff --git a/sourcecodes/bn_file_load_gom.php b/sourcecodes/bn_file_load_gom.php
index e52a1e43..a09c8bf0 100644
--- a/sourcecodes/bn_file_load_gom.php
+++ b/sourcecodes/bn_file_load_gom.php
@@ -27,9 +27,10 @@ $alpha="$alphas[$al1]"."$alphas[$al2]"."$alphas[$al3]";
 $keyval=$alpha;
 
 
-if($_POST["My_key"]!="")
-  $keyval=$_POST["My_key"];
-  $keyval=valid_keyval($keyval);
+if(isset($_POST["My_key"]) && ($_POST["My_key"]!="")) {
+    $keyval=$_POST["My_key"];
+    $keyval=valid_keyval($keyval);
+}
 
 $sid=$keyval."continuous_input";
 //$dir="./data/";