I experience strange behaviour regarding a numeric field created by JSON extractor.
- When I want to generate a chart of it, I get an error saying “Could not create field graph Field graphs are only available for numeric fields.”
- When creating statistics, I get NaN values for all numeric fields.
- It seems it is a string. However, when I want to add a converter to it by pressing action button at the right side of the field the option is disabled saying “Extractors can only be used with string fields”
This is the message I extract fields from, the field in question is durationMs:
Everything seems working fine apart from using durationMs as numeric field.
I’m quite stuck here, any help is much appreciated.