Credentail save error: Request failed with status code 502

Questions
1

Describe the problem/error/question

I am fail to save the API key when i create credentials for any models (e.g. OpenAI, DeepSeek, Gemini etc.), error code status 502 pop up when i press the save button

What is the error message (if any)?

Request failed with status code 502

Please share your workflow

(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)

Share the output returned by the last node

Information on your n8n setup

  • n8n version: Latest
  • Database (default: SQLite): default
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (Docker, npm, n8n cloud, desktop app): Docker
  • Operating system: Windows 11
2

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