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we found the problem, it was because of Conversion Window - how we can delete him from GB? We can’t change him in UI- give an error

What error is it giving? You should be able to change the conversion window in the metric behavior settings.

@future-teacher-7046 We found the problem again - we use datasource with aggregate on a date (not timestamp) because it is more comfortable for us, but growthbook doesn’t understand this format and we must rebuild our datasources( Anyway, we don’t need Conversion Window in 99%(and other params) of our metrics, and if you have a possibility to make this params optionality (or all step ‘Behaviour’) it really will help us