the signoz otel-collector spams this error,

{"level":"warn","ts":1721728036.9126618,"caller":"clickhousemetricsexporter/exporter.go:272","msg":"Dropped cumulative histogram metric","kind":"exporter","data_type":"metrics","name":"clickhousemetricswrite","name":"signoz_latency"}
{"level":"warn","ts":1721728096.8004935,"caller":"clickhousemetricsexporter/exporter.go:279","msg":"Dropped exponential histogram metric with no data points","kind":"exporter","data_type":"metrics","name":"clickhousemetricswrite","name":"signoz_latency"}

what does it mean, can i fix it?

It's a harmless warning you can ignore. Please create an issue here https://github.com/SigNoz/signoz-otel-collector