Untitled

public void insertRecords(Opportunity newOpportunity, List<OpportunityLineItem> opportunityProducts) {
    .....
    insert newOpportunity;
    .....
    insert opportunityProducs; <--exception
}
 
/************************************************************************/
 
public void insertRecords(Opportunity newOpportunity, List<OpportunityLineItem> opportunityProducts) {
    try {
        .....
        insert newOpportunity;
        .....
        insert opportunityProducs; <--exception
    }
    catch(Exception exc) {
    }
}