Solved Summoner skill no working after GR

good day to all for this season,

after my first GR to mu summoner (Dimension Master) i cant use Berserker skill because after couple of minutes i can not atack,
i mean my summoner no make damage not at all, after swich character all became to normal and after couple of minutes problem reappears.

now i have ene 5000 and i have no item that to create problems with my energy and with out Berserker skill working verry well

my name ingame Dizzy

i wait your sugestion to resolve this problem


best regards,

@ neither with not without Berserker does not work