How to resolve the error - cannot read property 'play' of undefined?

396 Asked by DavidEdmunds in Salesforce , Asked on Mar 1, 2023

I'm getting the above error in the below code.

@api guestFirstName; //getting these from parent component
@api guestLastName;
@api guestPhoneNumber;
@api guestCodeFromGuestMaster;
@api guestEmailFromGuestMaster;
//LWC code
   sendEmailAfterEvent() {
    const recordInput = { toSend: this.guestEmailFromGuestMaster, firstName: this.guestFirstName, lastName: this.guestLastName, phoneNumber: this.guestPhoneNumber }  //send parameters
    sendEmailToController(recordInput).then(response => {
        console.log('Email has been sent...!');
    }).catch(error => {
        console.log('facing error in sending email ',error.message.body); //If there is an error on response
    })
}

//APEX controller code

public with sharing class ControllerLwcExample {
@AuraEnabled(cacheable=true)
public static void sendEmailToController(String toSend, string firstName, string lastName, Integer phoneNumber){
    try{
        Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
        String[] toAddresses = new String[] {toSend};
        mail.setToAddresses(toAddresses);
        mail.setSubject('Booking Confirmation');
        String body = 'Dear ' + firstName + ', ';
        body += 'Your booking has been confirmed.';
        body += 'Please find the details below:';
        body += 'First Name: '+firstName;
        body += 'Last Name: '+lastName;
        body += 'Phone Number: '+phoneNumber;
        body += 'Regards';
        body += 'Hotel Hotel Hotel';
        mail.setHtmlBody(body);
        Messaging.sendEmail(new Messaging.SingleEmailMessage[] { mail });
    }catch(Exception ex){
        throw new AuraHandledException(ex.getMessage());
    }
}
}

I don't find any problem with the above code but I'm still getting the below error. Any help would be appreciated.

error: Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'body')

Answered by Diya tomar

To resolve the error - cannot read property 'play' of undefined, you must understand that - You likely have two errors. The first is that you are trying to send an email from a cacheable method (which you can't do, as a cacheable cannot perform DML).

This will be causing an error. Change:

@AuraEnabled(cacheable=true) to @AuraEnabled

Then, this error is getting to the LWC component, and this is where you are getting the body issue. Javascript exceptions don't have a body property on the message

Change: error.message.body to error.message

(Either that or try Phil's comment) (error.body.message)

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