Do you want to install the new internetbs module?
"Please download and install our latest WHMCS module from here [login to view URL] and check once.
Please follow the installation instructions till the very end because for some domain extensions you need some additional information than the default one collected by WHMCS.
If you still receive error, please send a screenshot of page where you receive error and we will check into this and assist you accordingly.
Maybe also it needs to update WHMCS to the last version?
[login to view URL] - Support Team
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