Dynamic ESS - battery not charging with high AC-Loads

I have EV-charging on my 3-phase AC-loads. If I start charging my EV (low prices) battery loading stops, even when there is plenty power left. The DESS Strategy is adding 15% in this hour. Battery charging is resumed when I stop the EV-charger (Wallbox Pulsar Plus). DESS is in trade mode.

I noticed it for the first time today after upgrading to 3.60~60. Downgrading to 3.60~59 gives the same result. It was definitely okay until a last week. And I did not change parameters.

EV - charger on

EV - charger off

I tried EV-charging with 6A. Same result. Only charging batteries when EV-charger is off.

Today the problem has magically disappeared. Both our car and the battery are charging now.