Instance task acknowledgment request has failed (ID: ce2dcb4a-07fd-4390-b578-a9b00ed212fa, HTTP status code: 404)

The self-hosted runner: 3c8e0177-872d-4bf1-ad07-b7da9d7d446d lost communication with the server. Verify the machine is running and has a healthy network connection. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.

Instance stop request has failed (HTTP status code: 500, body: Failed to stop backend instance (reason: backend provider not found with instance key: InstanceHashMapKey("d10388df4c4f6d1d646c7d02af4177fce8985880", "3c8e0177-872d-4bf1-ad07-b7da9d7d446d")))

Instance stop request has failed (HTTP status code: 500, body: Failed to stop backend instance (reason: backend provider not found with instance key: InstanceHashMapKey("d10388df4c4f6d1d646c7d02af4177fce8985880", "3c8e0177-872d-4bf1-ad07-b7da9d7d446d")))

Instance stop request has failed (HTTP status code: 500, body: Failed to stop backend instance (reason: backend provider not found with instance key: InstanceHashMapKey("d10388df4c4f6d1d646c7d02af4177fce8985880", "3c8e0177-872d-4bf1-ad07-b7da9d7d446d")))

Instance stop request has failed after 3 attempts

Cannot read properties of undefined (reading 'task_id')

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636