Calculation type hack

app/Helpers/MasterFunctionsHelper.php

@@ -71,12 +71,14 @@ class MasterFunctionsHelper {
       // foreach ($gantt as $key => $value) {
       //   Log::info('gantt '.$value.' index '.$key);
       // }
-			if($gantt['calculation_type'] == 'simple') {
-				// to do
-				return MasterFunctionsHelper::calculateProgressBasedOnSimple($gantt);
-			} else {
-				return MasterFunctionsHelper::calculateProgressBasedOnReportMaterial($gantt);
-			}
+      if (isset($gantt['calculation_type'])) {
+        if($gantt['calculation_type'] == 'simple') {
+          // to do
+          return MasterFunctionsHelper::calculateProgressBasedOnSimple($gantt);
+        } else {
+          return MasterFunctionsHelper::calculateProgressBasedOnReportMaterial($gantt);
+        }
+      }
 		}
 	}