If I just create a new empty worklfow. Add directly and end call node I can not save it. In the json I can see when I add an end call it has this part: "server": { "credentialId": "", "timeoutSeconds": 20, "url": null }, that cause the issue https://cdn.discordapp.com/attachments/1211484481848873020/1463116454701564018/Kepernyofoto_2026-01-20_-_11.21.41.png?ex=6970a8e2&is=696f5762&hm=9981e8c59f083207a379f7637a7be77b704c367399ea7df81c87e9f1fff65dd8&