Invalid config for [sensor.template]: invalid template (TemplateSyntaxError: expected name or number) for dictionary value @ data['sensors']['plate_recognizer']['value_template']. Got "{{ state_attr('image_processing.platerecognizer_frontgate', 'watched_plates').'29a12345' }}". (See ?, line ?).
My country plate start with number like
29a12345
if I put this in template
plate_recognizer: friendly_name: "29a12345" value_template: "{{ state_attr('image_processing.platerecognizer_frontgate', 'watched_plates').29a12345}}"
will error
Invalid config for [sensor.template]: invalid template (TemplateSyntaxError: expected name or number) for dictionary value @ data['sensors']['plate_recognizer']['value_template']. Got "{{ state_attr('image_processing.platerecognizer_frontgate', 'watched_plates').'29a12345' }}". (See ?, line ?).