diff --git a/application/models/rawmaterialdetails_model.php b/application/models/rawmaterialdetails_model.php
index 0d584e23..2cc5cfc5 100644
--- a/application/models/rawmaterialdetails_model.php
+++ b/application/models/rawmaterialdetails_model.php
@@ -89,7 +89,7 @@ class rawmaterialdetails_model extends CI_Model
      * @return array $result : This is user information
      */
    
-function addNewRawMaterial($RawMaterial)
+function addNewRawMaterial($RawMaterial='')
     {
       
         $this->db->insert('T_MaterialMaster', $RawMaterial);