Error in regular sensor update by other sensor

Hello, my automation throws an error, but works fine. Can the error be resolved?
The automation is

- id: '1612383174992'
  alias: Refresh lr_target_temp every 50 minutes
  description: ''
  trigger:
  - platform: time_pattern
    minutes: /50
  condition: []
  action:
  - service: input_number.set_value
    entity_id: input_number.lr_target_temperature
    data_template:
      '[object Object]':
  mode: single

and the error occurs exactly each hour at *:00:00 and *:50:00 and is (followed by python trace):

2021-02-04 00:50:00 ERROR (MainThread) [homeassistant.components.automation.refresh_lr_target_temp_every_50_minutes] Refresh lr_target_temp every 50 minutes: Error executing script. Invalid data for call_service at pos 1: extra keys not allowed @ data['[object Object]']
2021-02-04 00:50:00 ERROR (MainThread) [homeassistant.components.automation.refresh_lr_target_temp_every_50_minutes] While executing automation automation.refresh_lr_target_temp_every_50_minutes

Is there anything I could do to get rid off of it? Thank you