Error when used with Aider

[dsidlo]

When used within Aider, commands that use the tool always result in the following error.

* GenerateContentRequest.tools[0].function_declarations[6].parameters.properties[hypothetical_indexes].items: missing field.
: {
  "error": {
    "code": 400,
    "message": "* GenerateContentRequest.tools[0].function_declarations[6].parameters.properties[hypothetical_indexes].items: missing field.\n",
    "status": "INVALID_ARGUMENT"
  }
} 

I've tried both docker and uv, but the error happens in both.
Any tips on debugging this?