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有没有更新完 version 8.10 后，访问后台提示 Error: Call to undefined method WHMCSLicense::getRegistrationDate() in /home/realho/public_html/mycp/vendor/whmcs/whmcs-foundation/lib/Admin/Survey/Retently/v1/GlobalNps.php:0 复制代码
论坛的提问：https://whmcs.community/topic/335459-error-call-to-undefined-method-whmcslicensegetregistrationdate-in-homerealhopublic_htmlmycpvendorwhmcswhmcs-foundationlibadminsurveyretentlyv1globalnpsphp0/
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