System.NullPointerException Attempt to dereference a null object Troubleshooting
System.NullPointerException Attempt to dereference a null object Troubleshooting . Public class mycontroller { private final account. The execution of a trigger will sometimes generate an error message, execution of [eventname]. System.NullPointerException Attempt to dereference a null object and System.DmlException from developer.salesforce.com I'm attempting to run a simple query for a custom object in. The execution of a trigger will sometimes generate an error message, execution of [eventname] caused by: I am new to classes and triggers.