TLDR Alejandro encountered an error updating SigNoz with chart 0.14.4. They resolved the issue by dropping the logs database, and Srikanth questioned the resolution's relation to the exporter error.
I have finished updated *SigNOz* with *chart 0.14.4* and I get the following error at collectors:
```error decoding 'exporters': error reading exporters configuration for "clickhousetraces"```
what is wrong with that ?
```* '' has invalid keys: low_cardinal_exception_grouping
2023/05/10 18:43:03 application run finished with error: failed to get config: cannot unmarshal the configuration: 1 error(s) decoding:```
This is happend at `signoz-otel-collector`
`drop database signoz_logs on cluster cluster`
That command resolved my issue
Why would dropping logs db resolve the error with traces exporter?
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