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Hi,

i am also receiving same error. but i have tried all this. when i turn on kobuki i listen its sound. then i run first bringup minimal file but no bringup sound is there. then i check rqt status and i get kobuki error and watchdog signal error. I have also tried rosrun kobuki_ftdi create_udev_rules

but no use. what else could be the reason for kobuki and watchdog error signal? please help me.