Why NetSuite Online Form Submissions May Fail Due to User Event Scripts

When an online form is submitted, NetSuite processes the data and attempts to create or update a record (e.g., Customer or Lead) based on configured matching rules and duplicate handling settings. If no matching record is found, NetSuite may attempt to create a new record, depending on the duplicate handling configuration.This record creation or update process triggers any active User Event (UE) scripts deployed on the target record type. If these User Event scripts encounter errors during their execution, the online form submission will fail, and the record will not be created or updated successfully.To resolve this, administrators should review and debug any User Event scripts deployed on the record types targeted by online forms (e.g., Customer, Lead). Ensure that these scripts are robust and handle all potential scenarios without errors, especially during record creation or update events initiated by external sources like online forms.