Add better error message

server/routers/client/createClient.ts

@@ -26,6 +26,7 @@ import { generateId } from "@server/auth/sessions/app";
 import { OpenAPITags, registry } from "@server/openApi";
 import { rebuildClientAssociationsFromClient } from "@server/lib/rebuildClientAssociations";
 import { getUniqueClientName } from "@server/db/names";
+import { build } from "@server/build";
 
 const createClientParamsSchema = z.strictObject({
     orgId: z.string()
@@ -195,6 +196,12 @@ export async function createClient(
             const randomExitNode =
                 exitNodesList[Math.floor(Math.random() * exitNodesList.length)];
 
+            if (!randomExitNode) {
+                return next(
+                    createHttpError(HttpCode.NOT_FOUND, `No exit nodes available. ${build == "saas" ? "Please contact support." : "You need to install gerbil to use the clients."}`)
+                );
+            }
+
             const [adminRole] = await trx
                 .select()
                 .from(roles)