Error: Call to undefined function WHMCS

[csmonline]

I moved my installation to a new server, and now getting the below error, All Files are the same, database same, however it wont work on the new server, only change is the new server is running plesk with php 7.0

Error: Call to undefined function WHMCS\Module\get_registered_hooks() in C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Module\Widget.php:0
Stack trace:
#0 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Module\Widget.php(0): WHMCS\Module\Widget->loadWidgetsViaHooks()
#1 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Module\Widget.php(0): WHMCS\Module\Widget->loadWidgets()
#2 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Admin\Controller\HomepageController.php(0): WHMCS\Module\Widget->getAllWidgets()
#3 [internal function]: WHMCS\Admin\Controller\HomepageController->index(Object(WHMCS\Http\Message\ServerRequest))
#4 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\CallableHandler.php(26): call_user_func_array(Array, Array)
#5 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\fast-route\src\FastRoute.php(96): Middlewares\Utils\CallableHandler::execute(Array, Array)
#6 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\HandleProcessor.php(0): Middlewares\FastRoute->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#7 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\AssumingMiddlewareTrait.php(0): WHMCS\Route\Middleware\HandleProcessor->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#8 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\HandleProcessor->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#9 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#10 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#11 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\DelegatingMiddlewareTrait.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#12 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Security\Middleware\Authorization.php(0): WHMCS\Security\Middleware\Authorization->delegateProcess(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#13 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\AbstractProxyMiddleware.php(0): WHMCS\Security\Middleware\Authorization->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#14 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\AssumingMiddlewareTrait.php(0): WHMCS\Route\Middleware\AbstractProxyMiddleware->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#15 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\AbstractProxyMiddleware->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#16 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#17 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#18 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\DelegatingMiddlewareTrait.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#19 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\AbstractProxyMiddleware.php(0): WHMCS\Admin\ApplicationSupport\Route\Middleware\Authentication->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#20 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\AssumingMiddlewareTrait.php(0): WHMCS\Route\Middleware\AbstractProxyMiddleware->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#21 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\AbstractProxyMiddleware->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#22 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#23 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#24 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\DelegatingMiddlewareTrait.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#25 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Admin\ApplicationSupport\Route\Middleware\DirectoryValidation->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#26 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#27 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#28 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\BackendPsr7Response.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#29 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\BackendPsr7Response.php(0): WHMCS\Route\Middleware\BackendPsr7Response->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#30 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\BackendPsr7Response->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#31 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#32 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#33 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(56): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#34 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\BackendDispatch.php(0): Middlewares\Utils\Dispatcher->dispatch(Object(WHMCS\Http\Message\ServerRequest))
#35 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\AssumingMiddlewareTrait.php(0): WHMCS\Route\Middleware\BackendDispatch->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#36 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\BackendDispatch->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#37 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#38 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#39 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\RoutePathMatch.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#40 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\AssumingMiddlewareTrait.php(0): WHMCS\Route\Middleware\RoutePathMatch->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#41 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\RoutePathMatch->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#42 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#43 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#44 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\WhitelistFilter.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#45 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\DelegatingMiddlewareTrait.php(0): WHMCS\Route\Middleware\WhitelistFilter->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#46 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\WhitelistFilter->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#47 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#48 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#49 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\RoutableClientModuleRequest.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#50 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\AssumingMiddlewareTrait.php(0): WHMCS\Route\Middleware\RoutableClientModuleRequest->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#51 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\RoutableClientModuleRequest->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#52 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#53 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#54 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\RoutableAdminRequestUri.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#55 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\AssumingMiddlewareTrait.php(0): WHMCS\Route\Middleware\RoutableAdminRequestUri->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#56 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\RoutableAdminRequestUri->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#57 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#58 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#59 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\RoutableRequestUri.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#60 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\AssumingMiddlewareTrait.php(0): WHMCS\Route\Middleware\RoutableRequestUri->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#61 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\RoutableRequestUri->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#62 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#63 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#64 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\RoutableRequestQueryUri.php(0): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#65 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\whmcs\whmcs-foundation\lib\Route\Middleware\Strategy\AssumingMiddlewareTrait.php(0): WHMCS\Route\Middleware\RoutableRequestQueryUri->_process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#66 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(76): WHMCS\Route\Middleware\RoutableRequestQueryUri->process(Object(WHMCS\Http\Message\ServerRequest), Object(Middlewares\Utils\Delegate))
#67 [internal function]: Middlewares\Utils\Dispatcher->Middlewares\Utils\{closure}(Object(WHMCS\Http\Message\ServerRequest))
#68 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Delegate.php(31): call_user_func(Object(Closure), Object(WHMCS\Http\Message\ServerRequest))
#69 C:\inetpub\vhosts\zen.ae\cms.zen.ae\vendor\middlewares\utils\src\Dispatcher.php(56): Middlewares\Utils\Delegate->process(Object(WHMCS\Http\Message\ServerRequest))
#70 C:\inetpub\vhosts\zen.ae\cms.zen.ae\init.php(0): Middlewares\Utils\Dispatcher->dispatch(Object(WHMCS\Http\Message\ServerRequest))
#71 C:\inetpub\vhosts\zen.ae\cms.zen.ae\admincp\index.php(0): unknown()
#72 {main}

[twhiting9275]

WHMCS and Windows don't play together any more. Time to move on to a proper hosting environment, sorry to say