Charging with Smart4four EQ is no longer possible from version 3.6.0

[Elektrofix-OL]

Describe the bug
I built a wallbox for a colleague. The Smart4Four can't be charged with 3 phases.

Upload your config
{"version":"v3.7.2","serialnr":7508,"mode":"SMART","mode_id":3,"car_connected":false,"wifi":{"status":"WL_CONNECTED","ssid":"LohmannCity","rssi":-13,"bssid":"74:42:7F:B7:15:35"},"evse":{"temp":26,"temp_max":65,"connected":false,"access":true,"mode":1,"loadbl":0,"pwm":1024,"custombutton":false,"solar_stop_timer":0,"state":"Ready to Charge","state_id":0,"error":"None","error_id":0,"rfid":"Not Installed"},"settings":{"charge_current":0,"override_current":0,"current_min":8,"current_max":10,"current_main":50,"current_max_circuit":32,"current_max_sum_mains":600,"max_sum_mains_time":0,"solar_max_import":0,"solar_start_current":4,"solar_stop_time":10,"enable_C2":"Not present","mains_meter":"API","starttime":0,"stoptime":0,"repeat":0},"mqtt":{"host":"192.168.100.2","port":1883,"topic_prefix":"SmartEVSE","username":"Lohmann","password_set":true,"status":"Connected"},"ocpp":{"mode":"Disabled","backend_url":"","cb_id":"","auth_key":"","auto_auth":"Disabled","auto_auth_idtag":"","status":"Disconnected"},"home_battery":{"current":0,"last_update":0},"ev_meter":{"description":"Eastron3P","address":12,"import_active_power":0,"total_kwh":1836.199951,"charged_kwh":0,"currents":{"TOTAL":0,"L1":0,"L2":0,"L3":0},"import_active_energy":1836.199951,"export_active_energy":0},"mains_meter":{"import_active_energy":0,"export_active_energy":0},"phase_currents":{"TOTAL":44,"L1":15,"L2":14,"L3":15,"last_data_update":1731771512,"original_data":{"TOTAL":44,"L1":15,"L2":14,"L3":15}},"backlight":{"timer":68,"status":"ON"},"color":{"off":{"R":0,"G":0,"B":0},"normal":{"R":0,"G":255,"B":0},"smart":{"R":0,"G":255,"B":0},"solar":{"R":255,"G":170,"B":0},"custom":{"R":0,"G":0,"B":255}}}
Upload a debug log
putty27327.log

To Reproduce
Steps to reproduce the behavior:

1. Connect the plug to the vehicle, no charge
2. Firmware to 3.5.1
3. Connect the plug to the vehicle, charge
4. Firmware to 3.6.0
5. Connect the plug to the vehicle, no charge

Expected behavior
That the Smart4four charges on the wallbox in the same way as a Smart4two

continue exams
Before we changed the software, we swapped the hardware from a SmartEVSE 3.7.2 to a SmartEVSE 2.30, because the Smart4four charges easily on another wallbox of mine with a SmartEVSE 2.0x.

It seems as if the SmartEVSE from 3.6 has changed the modulation on the CP, so that the Smart4four cannot cope with it.