Perhaps too big to post here, but here it is:
POST http://localhost/flarum/api/extensions/sijad-ext-auth-steam
{
"errors": [
{
"code": 500,
"title": "Internal server error",
"detail": "exception 'ReflectionException' with message 'Class sijad\\ext\\auth\\steam\\Migration\\AddSteamIdToUsersTable does not exist' in C:\\xampp\\htdocs\\flarum\\vendor\\illuminate\\container\\Container.php:737\nStack trace:\n#0 C:\\xampp\\htdocs\\flarum\\vendor\\illuminate\\container\\Container.php(737): ReflectionClass->__construct('sijad\\\\ext\\\\auth\\\\...')\n#1 C:\\xampp\\htdocs\\flarum\\vendor\\illuminate\\container\\Container.php(627): Illuminate\\Container\\Container->build('sijad\\\\ext\\\\auth\\\\...', Array)\n#2 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Foundation\\Application.php(484): Illuminate\\Container\\Container->make('sijad\\\\ext\\\\auth\\\\...', Array)\n#3 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Database\\Migrator.php(253): Flarum\\Foundation\\Application->make('sijad\\\\ext\\\\auth\\\\...')\n#4 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Database\\Migrator.php(133): Flarum\\Database\\Migrator->resolve('2015_09_15_0000...', 'sijad-ext-auth-...')\n#5 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Database\\Migrator.php(117): Flarum\\Database\\Migrator->runUp('2015_09_15_0000...', 'sijad-ext-auth-...')\n#6 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Database\\Migrator.php(92): Flarum\\Database\\Migrator->runMigrationList(Array, 'sijad-ext-auth-...')\n#7 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Extension\\ExtensionManager.php(184): Flarum\\Database\\Migrator->run('C:\\\\xampp\\\\htdocs...', 'sijad-ext-auth-...')\n#8 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Extension\\ExtensionManager.php(106): Flarum\\Extension\\ExtensionManager->migrate('sijad-ext-auth-...')\n#9 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Api\\Controller\\UpdateExtensionController.php(47): Flarum\\Extension\\ExtensionManager->enable('sijad-ext-auth-...')\n#10 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Http\\GenerateRouteHandlerTrait.php(35): Flarum\\Api\\Controller\\UpdateExtensionController->handle(Object(Zend\\Stratigility\\Http\\Request))\n#11 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Http\\Middleware\\DispatchRoute.php(67): Flarum\\Api\\ApiServiceProvider->Flarum\\Http\\{closure}(Object(Zend\\Stratigility\\Http\\Request), Array)\n#12 [internal function]: Flarum\\Http\\Middleware\\DispatchRoute->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#13 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Dispatch.php(81): call_user_func(Object(Flarum\\Http\\Middleware\\DispatchRoute), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#14 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Next.php(113): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#15 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Api\\Middleware\\FakeHttpMethods.php(32): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#16 [internal function]: Flarum\\Api\\Middleware\\FakeHttpMethods->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#17 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Dispatch.php(81): call_user_func(Object(Flarum\\Api\\Middleware\\FakeHttpMethods), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#18 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Next.php(113): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#19 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Http\\Middleware\\ParseJsonBody.php(30): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#20 [internal function]: Flarum\\Http\\Middleware\\ParseJsonBody->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#21 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Dispatch.php(81): call_user_func(Object(Flarum\\Http\\Middleware\\ParseJsonBody), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#22 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Next.php(113): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#23 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Api\\Middleware\\AuthenticateWithHeader.php(50): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#24 [internal function]: Flarum\\Api\\Middleware\\AuthenticateWithHeader->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#25 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Dispatch.php(81): call_user_func(Object(Flarum\\Api\\Middleware\\AuthenticateWithHeader), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#26 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Next.php(113): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#27 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Http\\Middleware\\AuthenticateWithCookie.php(42): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#28 [internal function]: Flarum\\Http\\Middleware\\AuthenticateWithCookie->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#29 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Dispatch.php(81): call_user_func(Object(Flarum\\Http\\Middleware\\AuthenticateWithCookie), Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#30 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\Next.php(113): Zend\\Stratigility\\Dispatch->__invoke(Object(Zend\\Stratigility\\Route), NULL, Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response), Object(Zend\\Stratigility\\Next))\n#31 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-stratigility\\src\\MiddlewarePipe.php(75): Zend\\Stratigility\\Next->__invoke(Object(Zend\\Stratigility\\Http\\Request), Object(Zend\\Stratigility\\Http\\Response))\n#32 C:\\xampp\\htdocs\\flarum\\vendor\\zendframework\\zend-diactoros\\src\\Server.php(166): Zend\\Stratigility\\MiddlewarePipe->__invoke(Object(Zend\\Diactoros\\ServerRequest), Object(Zend\\Diactoros\\Response), NULL)\n#33 C:\\xampp\\htdocs\\flarum\\vendor\\flarum\\core\\src\\Http\\AbstractServer.php(33): Zend\\Diactoros\\Server->listen()\n#34 C:\\xampp\\htdocs\\flarum\\api.php(16): Flarum\\Http\\AbstractServer->listen()\n#35 {main}"
}
]
}
Edit: I just forgot I would need dev-master for this. I'll try to install that in a sec.