clarkwinkelmann
Hi and thanks for your help. I just checked. I am running flarum on a subdomain.
POST https://forum.mydomain.de/api/fof/upload
the full error stack looks like this:
{"errors":[{"status":"404","code":"not_found","detail":"Flarum\\Http\\Exception\\RouteNotFoundException: \/fof\/upload in \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Middleware\/DispatchRoute.php:58\nStack trace:\n#0 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Http\\Middleware\\DispatchRoute-\u003Eprocess()\n#1 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Middleware\/SetLocale.php(50): Laminas\\Stratigility\\Next-\u003Ehandle()\n#2 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Http\\Middleware\\SetLocale-\u003Eprocess()\n#3 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Middleware\/CheckCsrfToken.php(37): Laminas\\Stratigility\\Next-\u003Ehandle()\n#4 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Http\\Middleware\\CheckCsrfToken-\u003Eprocess()\n#5 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Middleware\/AuthenticateWithHeader.php(55): Laminas\\Stratigility\\Next-\u003Ehandle()\n#6 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Http\\Middleware\\AuthenticateWithHeader-\u003Eprocess()\n#7 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Middleware\/AuthenticateWithSession.php(32): Laminas\\Stratigility\\Next-\u003Ehandle()\n#8 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Http\\Middleware\\AuthenticateWithSession-\u003Eprocess()\n#9 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Middleware\/RememberFromCookie.php(51): Laminas\\Stratigility\\Next-\u003Ehandle()\n#10 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Http\\Middleware\\RememberFromCookie-\u003Eprocess()\n#11 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Middleware\/StartSession.php(61): Laminas\\Stratigility\\Next-\u003Ehandle()\n#12 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Http\\Middleware\\StartSession-\u003Eprocess()\n#13 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Api\/Middleware\/FakeHttpMethods.php(29): Laminas\\Stratigility\\Next-\u003Ehandle()\n#14 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Api\\Middleware\\FakeHttpMethods-\u003Eprocess()\n#15 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Middleware\/ParseJsonBody.php(28): Laminas\\Stratigility\\Next-\u003Ehandle()\n#16 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Http\\Middleware\\ParseJsonBody-\u003Eprocess()\n#17 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Middleware\/HandleErrors.php(57): Laminas\\Stratigility\\Next-\u003Ehandle()\n#18 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Flarum\\Http\\Middleware\\HandleErrors-\u003Eprocess()\n#19 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/MiddlewarePipe.php(84): Laminas\\Stratigility\\Next-\u003Ehandle()\n#20 \/var\/www\/mydomain.de\/flarum\/vendor\/middlewares\/request-handler\/src\/RequestHandler.php(84): Laminas\\Stratigility\\MiddlewarePipe-\u003Eprocess()\n#21 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Middlewares\\RequestHandler-\u003Eprocess()\n#22 \/var\/www\/mydomain.de\/flarum\/vendor\/middlewares\/base-path-router\/src\/BasePathRouter.php(97): Laminas\\Stratigility\\Next-\u003Ehandle()\n#23 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Middlewares\\BasePathRouter-\u003Eprocess()\n#24 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Middleware\/OriginalMessages.php(42): Laminas\\Stratigility\\Next-\u003Ehandle()\n#25 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Laminas\\Stratigility\\Middleware\\OriginalMessages-\u003Eprocess()\n#26 \/var\/www\/mydomain.de\/flarum\/vendor\/middlewares\/base-path\/src\/BasePath.php(53): Laminas\\Stratigility\\Next-\u003Ehandle()\n#27 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/Next.php(61): Middlewares\\BasePath-\u003Eprocess()\n#28 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/MiddlewarePipe.php(84): Laminas\\Stratigility\\Next-\u003Ehandle()\n#29 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-stratigility\/src\/MiddlewarePipe.php(73): Laminas\\Stratigility\\MiddlewarePipe-\u003Eprocess()\n#30 \/var\/www\/mydomain.de\/flarum\/vendor\/laminas\/laminas-httphandlerrunner\/src\/RequestHandlerRunner.php(96): Laminas\\Stratigility\\MiddlewarePipe-\u003Ehandle()\n#31 \/var\/www\/mydomain.de\/flarum\/vendor\/flarum\/core\/src\/Http\/Server.php(42): Laminas\\HttpHandlerRunner\\RequestHandlerRunner-\u003Erun()\n#32 \/var\/www\/mydomain.de\/flarum\/public\/index.php(26): Flarum\\Http\\Server-\u003Elisten()\n#33 {main}"}]}
i was yet unable to resolve the issue sadly..