pamac-installer not close always pacmac-system-deamon

i use pamac-installer toto with cancel btn

After 4..5 run, i cant, message "waiting for other package manager ..." : pacmac-system-deamon is not closed before

Pamac 7.0.0-beta (git)

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I wait between each 5..10 seconds to restart the program that process deamon is auto-kill.