With Boolean field use directly a checkbox, no checkbox group.
Then select the checkbox, add dynamic attribute > checked > and for value select your binding.
Checkbox groups expect array, and should be used for multiple checkboxes inside.
With Boolean field use directly a checkbox, no checkbox group.
Then select the checkbox, add dynamic attribute > checked > and for value select your binding.
Checkbox groups expect array, and should be used for multiple checkboxes inside.