Formidable forms Lookup filter+autocomplete |

I want to ask for help.
I have some lookup fields and I’m having problems with the filtering and autocomplete settings.
When autocomplete is on without filtering, it displays the list.
When autocomplete is turned off and filtering is set, the list is displayed.
However, when autocomplete is turned on and filtering is on, it does not bring up a single line.
What could be the reason for this?
Formidable form 6.8


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