Error: Compile Error: Invalid type: Pen__c at line 3 column 52when i hit the quick save,this error is coming.Here is the codepublic class PenClassDemonstration{ public static void applyDiscountPen(list<Pen__c> VarPensListNew ) { for (Pen__c VarP :VarPenlistNew) { if(VarP.Price__c >=100) { VarP.Price__c = VarP.Price__c-20 ; } } } }Kindly help me to rsolve this issue.I am using the API name also.