Hello

Looks like you've enabled Price (and may be Weight) in Studio -> Snipcart -> 'Searchable fields for keyword search' setting. These fields are numeric fields and cannot be used in keyword search. We'll exclude them from the list in the next version, thank you for the report. For now you need to uncheck them and save settings.

https://github.com/unaio/una/issues/827

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Best Regards
Anton