Deprecated: Return type of Pimple::offsetExists($id) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/pimple/pimple/lib/Pimple.php on line 93

Deprecated: Return type of Pimple::offsetGet($id) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/pimple/pimple/lib/Pimple.php on line 75

Deprecated: Return type of Pimple::offsetSet($id, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/pimple/pimple/lib/Pimple.php on line 61

Deprecated: Return type of Pimple::offsetUnset($id) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/pimple/pimple/lib/Pimple.php on line 103

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy::open($savePath, $sessionName) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php on line 43

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php on line 57

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy::read($sessionId) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php on line 67

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy::write($sessionId, $data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php on line 75

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy::destroy($sessionId) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php on line 83

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php on line 91

Warning: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php on line 379

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Session::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Session.php on line 145

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Session::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Session.php on line 155

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Attribute/AttributeBag.php on line 143

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Attribute/AttributeBag.php on line 153

Deprecated: Return type of Symfony\Component\HttpFoundation\Session\Flash\FlashBag::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Flash/FlashBag.php on line 176

Fatal error: Uncaught RuntimeException: Failed to start the session because headers have already been sent by "/home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php" at line 19. in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php:144 Stack trace: #0 /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Session.php(73): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() #1 /home/e9z75nuytgch/public_html/src/OAuth2Demo/Client/Client.php(21): Symfony\Component\HttpFoundation\Session\Session->start() #2 /home/e9z75nuytgch/public_html/src/OAuth2Demo/Client/Client.php(41): OAuth2Demo\Client\Client->setup() #3 /home/e9z75nuytgch/public_html/vendor/silex/silex/src/Silex/Application.php(536): OAuth2Demo\Client\Client->connect() #4 /home/e9z75nuytgch/public_html/web/index.php(19): Silex\Application->mount() #5 {main} thrown in /home/e9z75nuytgch/public_html/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php on line 144