Can you please try out the following.
1)Try with a different example project. May be a basic LED blinking example.
2)Try with another kit if you have.
3)If you are not using the latest version of PSoC Creator upgrade to latest and try.
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Comment out the below code at line#84 in main.c file and that should avoid the debugger disconnection.
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The debugger does not work when running power saving modes; Hence the CySysPmHibernate(), CySysPmDeepSleep(), and CySysPmStop() function calls to set the power mode to turn off the CPU will crash out the debugger as the chips runs in a lower power setting.