identify five types of errors in the domain model class diagram, explain what each error is and recommend a solution. Note that errors identified must be technical errors, so errors such as spelling/typo or grammatical will get 0 marks. Each error type must be unique

2.2 Customer Support and Returns Subsystem - Domain Model Class Diagram PerfromanceReview Managers average WaitingTime 1. 1..1 managerID time spentferCustomer systemiD closedCallRate 1.1 Agent Customer SupportCall 1..1 0.. agentName subjectOfCall customerid customerName invoiceNumber productitem address phoneNumber customerName invoiceNumber placelnQueue averageWaiting Time 1... endofcallRequest 0 1..1 1..1 1..1 1..* 0.. 1..1 1.1 DialBackOption phoneNumber subjectOfCall customerName 0. 1.1 0 * ElectronicLabel labell customerName address phoneNumber invoiceNumber Refund/Retum customerName labelD productItem InvoiceNumber 0. 0.* Resellers productitem customerName reject/approve Decision 1..1 2.2 Customer Support and Returns Subsystem - Domain Model Class Diagram PerfromanceReview Managers average WaitingTime 1. 1..1 managerID time spentferCustomer systemiD closedCallRate 1.1 Agent Customer SupportCall 1..1 0.. agentName subjectOfCall customerid customerName invoiceNumber productitem address phoneNumber customerName invoiceNumber placelnQueue averageWaiting Time 1... endofcallRequest 0 1..1 1..1 1..1 1..* 0.. 1..1 1.1 DialBackOption phoneNumber subjectOfCall customerName 0. 1.1 0 * ElectronicLabel labell customerName address phoneNumber invoiceNumber Refund/Retum customerName labelD productItem InvoiceNumber 0. 0.* Resellers productitem customerName reject/approve Decision 1..1