diff --git a/packages/reservation-platform/docker/myp-rp_latest.tar.xz b/packages/reservation-platform/docker/myp-rp_latest.tar.xz
index 47db4f3..aa1ed87 100644
--- a/packages/reservation-platform/docker/myp-rp_latest.tar.xz
+++ b/packages/reservation-platform/docker/myp-rp_latest.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7e1e63ad6eee375b81542c07d10c5587222f25d52ccb69edada6e927c0240f1d
-size 284452348
+oid sha256:56382df5c81b2966f4c0dd51126efe5bec0965aa6edec40440087adca1480bfd
+size 284454308
diff --git a/packages/reservation-platform/src/app/auth/login/callback/route.ts b/packages/reservation-platform/src/app/auth/login/callback/route.ts
index f4033f2..2969309 100644
--- a/packages/reservation-platform/src/app/auth/login/callback/route.ts
+++ b/packages/reservation-platform/src/app/auth/login/callback/route.ts
@@ -15,9 +15,15 @@ export async function GET(request: Request): Promise<Response> {
 	const state = url.searchParams.get("state");
 	const storedState = cookies().get("github_oauth_state")?.value ?? null;
 	if (!code || !state || !storedState || state !== storedState) {
-		return new Response(null, {
-			status: 400,
-		});
+		return new Response(
+			JSON.stringify({
+				status_text: "Something is wrong",
+				data: { code, state, storedState },
+			}),
+			{
+				status: 400,
+			},
+		);
 	}
 
 	try {
@@ -70,9 +76,15 @@ export async function GET(request: Request): Promise<Response> {
 		// the specific error message depends on the provider
 		if (e instanceof OAuth2RequestError) {
 			// invalid code
-			return new Response(null, {
-				status: 400,
-			});
+			return new Response(
+				JSON.stringify({
+					status_text: "Invalid code",
+					error: JSON.stringify(e),
+				}),
+				{
+					status: 400,
+				},
+			);
 		}
 		return new Response(null, {
 			status: 500,