When I tried to access https://askgurus.online/api/cache it gave me following result:
"Flarum\\Http\\Exception\\MethodNotAllowedException: GET in /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Middleware/DispatchRoute.php:60\nStack trace:\n#0 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\DispatchRoute->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#1 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Middleware/SetLocale.php(50): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#2 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\SetLocale->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#3 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(37): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#4 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\CheckCsrfToken->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#5 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Middleware/AuthenticateWithHeader.php(55): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#6 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\AuthenticateWithHeader->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#7 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(32): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#8 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\AuthenticateWithSession->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#9 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(51): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#10 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\RememberFromCookie->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#11 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#12 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\StartSession->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#13 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Api/Middleware/FakeHttpMethods.php(29): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#14 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Api\\Middleware\\FakeHttpMethods->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#15 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#16 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\ParseJsonBody->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#17 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#18 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\HandleErrors->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#19 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#20 /home/orml/public_html/AskGurus.Online/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\\Stratigility\\MiddlewarePipe->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#21 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\\RequestHandler->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#22 /home/orml/public_html/AskGurus.Online/vendor/middlewares/base-path-router/src/BasePathRouter.php(97): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#23 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\\BasePathRouter->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#24 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(42): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#25 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Laminas\\Stratigility\\Middleware\\OriginalMessages->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#26 /home/orml/public_html/AskGurus.Online/vendor/middlewares/base-path/src/BasePath.php(53): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#27 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\\BasePath->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#28 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#29 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(73): Laminas\\Stratigility\\MiddlewarePipe->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\EmptyPipelineHandler))\n#30 /home/orml/public_html/AskGurus.Online/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(96): Laminas\\Stratigility\\MiddlewarePipe->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#31 /home/orml/public_html/AskGurus.Online/vendor/flarum/core/src/Http/Server.php(42): Laminas\\HttpHandlerRunner\\RequestHandlerRunner->run()\n#32 /home/orml/public_html/AskGurus.Online/index.php(26): Flarum\\Http\\Server->listen()\n#33 {main}"