System.NullPointerException: Attempt to de-reference a null object |Salesforce troubleshooting error

System.NullPointerException: Attempt to de-reference a null object | Salesforce troubleshooting error
#SystemNullPointerException #Attempttode-referenceanullobject #salesforce
Topic
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00:00 System.NullPointerException: Attempt to de-reference a null object
Description
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The execution of a trigger will sometimes generate an error message, "execution of [EventName] caused by: System.NullPointerException: Attempt to de-reference a null object: Trigger.[TriggerName]: line [XX], column [XX]"
This error is caused by a line of code that is trying to use an object that has not been instantiated, or an object's attribute that has not been initialized.
Resolve NullPointerException
The solution is to make sure the Object and/or the Attribute to be used is not null.
Please refer to the below link for information.
help.salesforce.com/s/article...
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