Problem with network manager

i am making a fake acess point using mana with command

bash ‘/usr/share/mana-toolkit/run-mana/start-nat-simple.sh’

and i started my fake acess point but once i press enter and stops the acess point i can not open the network manager again even when i try nmcli networking on it also didnt work

it works only if i restart my pc so what shall i do with this ???

try:
sudo service network-manager restart

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