Hi RudderStack community members, Events are sent to the destination(Redshift, firehose and Facebook Pixel) failing and l give logs to track the error. How can we sort the problem? Thanks in advance.

{"log":"2022-12-22T11:35:09.482Z\u0009INFO\u0009gateway/gateway.go:1079\u0009IP: 2409:4070:2d17:7ab4:7d56:d1ed:ac9f:1f0 -- /v1/track -- Response: 400, Request neither has anonymousId nor userId\n","stream":"stdout","time":"2022-12-22T11:35:09.48240445Z"}
{"log":"2022-12-22T11:30:37.284Z\u0009INFO\u0009gateway/gateway.go:1079\u0009IP: 27.111.209.200 -- /v1/track -- Response: 400, Failed to read writeKey from header\n","stream":"stdout","time":"2022-12-22T11:30:37.284816669Z"}
{"log":"2022-12-22T11:30:34.278Z\u0009INFO\u0009gateway/gateway.go:1079\u0009IP: 168.119.133.69 -- /v1/page -- Response: 400, Invalid Write Key\n","stream":"stdout","time":"2022-12-22T11:30:34.279078942Z"}
{"log":"2022/12/23 05:30:41 bugsnag/sessions/publisher.publish invalid API key: ''\n","stream":"stdout","time":"2022-12-23T05:30:41.172130109Z"}
11:24
{"log":"2022-12-23T05:28:16.371Z\u0009INFO\u0009gateway/gateway.go:1079\u0009IP: 103.246.196.12 -- /v1/track -- Response: 400, Failed to read writeKey from header\n","stream":"stdout","time":"2022-12-23T05:28:16.371972588Z"}

Response: 400, Failed to read writeKey from header\n"

@calm-byte-21885 as per the above log, it appears that

writeKey

is not set in header. Can you please check it once?