Insert to reference and multi reference field

export function button 1_click(event) {
    
    let options = {fieldsets: [ 'FULL' ]}
    currentMember.getMember(options)
        .then((member) => {
    
        const id = member._id;


        const loggedIn = member ? true : false;

 
        const loginEmail = member.loginEmail;
        const contactEmails = member.contactDetails.emails;


        wixData.query("InvestmentReadinessreport")
          .find()
          .then( (results) => {
            if(results.items.length > 0) {
              let firstItem = results.items[0];


                    wixData.insertReference("Members/PrivateMembersData",     "InvestmentReadinessreport", firstItem._id , member._id )
                      .then( () => {
                        console.log("Reference inserted");
                      } )
                      .catch( (error) => {
                        console.log(error);
                      } );
       

            } else {
   
            }
            } )
            .catch( (err) => {
              let errorMsg = err;
            } );