[Bug]: 'Growatt' - '10kTL3-XH' 'NoneType' object has no attribute 'split'

[Mwirenfeldt]

Describe the bug

Hi Guys

i am trying to make my inverter charge from the grid with a automation from Home Assistant
but when i press the "Update Time Slot" button i get an error.

Log is attached.

Integration Version

2025.01.0b2

Homeassistant core version

2025.1.0b2

Inverter brand

Growatt 10kTL3-XH

Plugin used

plugin_growatt.py

Serial prefix

065101

Connection Method

Waveshare POE Adapter

Detailed Error Log

2024-12-26 23:20:33.873 ERROR (MainThread) [homeassistant.components.websocket_api.http.connection] [140167545874048] Unexpected exception
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/components/websocket_api/commands.py", line 245, in handle_call_service
response = await hass.services.async_call(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...<7 lines>...
)
^
File "/usr/src/homeassistant/homeassistant/core.py", line 2795, in async_call
response_data = await coro
^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/core.py", line 2838, in _execute_service
return await target(service_call)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/helpers/service.py", line 1006, in entity_service_call
single_response = await _handle_entity_call(
^^^^^^^^^^^^^^^^^^^^^^^^^^
hass, entity, func, data, call.context
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/src/homeassistant/homeassistant/helpers/service.py", line 1078, in _handle_entity_call
result = await task
^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/button/init.py", line 132, in _async_press_action
await self.async_press()
File "/config/custom_components/solax_modbus/button.py", line 88, in async_press
res = self.button_info.value_function(0, self.button_info, self._hub.data )
File "/config/custom_components/solax_modbus/plugin_growatt.py", line 122, in value_function_time_slot_1
time_2_begin = time_to_int(time_2_begin)
File "/config/custom_components/solax_modbus/plugin_growatt.py", line 101, in time_to_int
hours, minutes = map(int, time_str.split(':'))
^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'split'

Additional context

No response

[Mwirenfeldt]

Found the error.

Time_2_Begin, Time_2_End, Time_3_Begin and Time_2_End was not definded. after i had definded the hours and minuts i was able to update the time slots.