i am tring to connect the mcp tool with vapi ai from n8n and today it is occurring problems http req 500 error 1. Tool id: cc4f16bb-f2af-434f-83e8-33316bc6bb67 2. Mcp url link: https://waitsmart.app.n8n.cloud/mcp/6114acac-a3aa-4404-8d1b-6640256c78f4/sse 3. Response Body error: { "error": "Failed to connect to MCP server: SSE error: Failed to fetch" } 4. Request failed with status: 500 https://cdn.discordapp.com/attachments/1211484481848873020/1396218576188215388/image.png?ex=687d4961&is=687bf7e1&hm=6bd70e76e5ac1c6404807b1910d6656c0962f0405e588f23fb03eeadcc8046be& https://cdn.discordapp.com/attachments/1211484481848873020/1396218576771354784/image.png?ex=687d4961&is=687bf7e1&hm=65a524bfc0aad51323c5c9dbf3187ed055e4e4247e0731b6cf956edfa3f34518&