Troubleshooting an Language is Invalid Error when registering a domain
After applying the 8.0.0 update, domain registrations via LogicBoxes modules (ResellerClub, NetEarthOne, Stargate) can fail with the following error:
Language is Invalid
This is caused by the new required variable for processing IDN registrations.
Please apply the 8.0.1 Maintenance Release via the Utilities > Update WHMCS page.
A hotfix has been created for 8.0.0 only to resolve this error: