Warning: Undefined array key "emp_id" in D:\xampp\htdocs\m_m\materials\materials_catg_add.php on line 9

Warning: Undefined array key "emp_name" in D:\xampp\htdocs\m_m\materials\materials_catg_add.php on line 10

Warning: Undefined array key "emp_id" in D:\xampp\htdocs\m_m\materials\materials_catg_add.php on line 16

Warning: Undefined array key "category" in D:\xampp\htdocs\m_m\materials\materials_catg_add.php on line 17

Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'category' cannot be null in D:\xampp\htdocs\m_m\materials\materials_catg_add.php:24 Stack trace: #0 D:\xampp\htdocs\m_m\materials\materials_catg_add.php(24): PDOStatement->execute(Array) #1 {main} thrown in D:\xampp\htdocs\m_m\materials\materials_catg_add.php on line 24