Issues to write TOU schedule

[sukram78]

Controller are unable to write TOU schedule to inverter.

2026-03-31 20:00:45 | ERROR | core.bess.ha_api_controller:576 - API request to /api/services/growatt_server/update_time_segment failed on final attempt 4/4: 500 Server Error: Internal Server Error for url: http://supervisor/core/api/services/growatt_server/update_time_segment

2026-03-31 20:00:45 | WARNING | core.bess.runtime_failure_tracker:91 - Runtime failure recorded [inverter_control]: Write TOU segment 1: battery_first 23:45-23:59 (disabled) - 500 Server Error: Internal Server Error for url: http://supervisor/core/api/services/growatt_server/update_time_segment

2026-03-31 20:00:45 | ERROR | core.bess.min_schedule:1587 - FAILED: Failed to disable TOU segment: 500 Server Error: Internal Server Error for url: http://supervisor/core/api/services/growatt_server/update_time_segment

Sensors are active in Solax:

Controller is able to change other settings (discharge).

I have Growatt MID 15ktl3-xh firmware ZBDC-0017
Connected to HA with ShineWilan-X2 and Solax integration.

[johanzander]

Use the official Growatt Integration in HA (with token auth), Solax not supported!.