Fatal error call to a member function is on sale on null
with $ service = Mage: : getModel( ' sales/ service_ quote', $ this- > _ quote) ;. in the Ordercreator: : create method. the problem is that $ quote is not defined. It appears that $ db is not defined in the parent class. Are you sure you initialized it? If you initialized it in the parent constructor ( in the class model) you need to call it explicitly in your current constructor ( in the class. Notice: Undefined variable: db in C: \ xampp\ htdocs\ wisconsindairyfarmers\ admin\ login. php on line 7 Fatal error: Call to a member function query( ) on null in C: \ xampp\ htdocs\ wisconsindairyfarmers\ admin\ login.
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