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Error: CONTACT_ALREADY_EXISTS
Problem
CONTACT_ALREADY_EXISTS error is encountered when you try to create a new contact record even though the contact does not exist yet in your NetSuite account.
Why does it happen?
There is an entity in your NetSuite account with a similar external ID to the contact record that you're trying to create. Records such as customer, vendor, partner and employee are entities. Scriptable entities are listed in SuiteAnswers 10409 - Entities. While this error can happen in SuiteScript, it is more common to encounter this on the other two means of record creation, CSV Import and Web Services.
Examples
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