Error -32603 sign typed data message

i’m using ether js and tried to use signer._signTypedData, the data passed to the function seems to be ok but I have this errror
{ "code": -32603, "message": "Cannot use 'in' operator to search for 'undefined' in undefined", "data": { "originalError": {} } }

hi @jv11 !,

Going to share two links with you. Can you see if either of these assist with resolving?

Hi, I tried with this but since I am signing data most of this don’t apply to my case and the other solutions didn’t work


I could find this. Dropping here while I hunt for an answer.

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