"The operation add items to list cannot accept the arguments: , [*empty-string*], [Pedro Augusto]"

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Provide your Blocks in English.

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Welcome.
You are trying to insert an empty string into your list. Apparently it’s on the list of patients. Check your variables that you use in the Add Items - Add Items blocks.
Verify your datapicker btescolhadata, Because you didn’t check whether it was empty or not. (You only did check lbdata.text)

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I had created an empty list and added an empty string in case he didn’t find anything in tinydb, I haven’t programmed in here for a long time so I got a little rusty hahahahha but thanks for the help

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