Issue Sync with WHMCS and Plesk API error but all info from Plesk via Sync

[EmperorFPI]

Server operating system version

Ubuntu 22.04.3 LTS

Plesk version and microupdate number

Plesk Obsidian Version 18.0.56

Plesk API Response: Customer with email '[email protected]' is not found in panel. Please contact your service provider.

Not sure what is happening.

This site was synced from Plesk and didn't exist in WHMCS prior to that. All information came from Plesk.

How is it not reading what it sent in the 1st place?