nrfjprog failed to erase nRF52832 device

Question

I would like to use nrfjprog to erase nRF52832 device. But it failed with "An unknown error". The nRF52832 device connect to laptop through J-Link USB interface. 
 D:\Nordic>nrfjprog --log --family nRF52 --eraseall [error]: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.". [error]: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.". [error]: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.". [error]: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.". [error]: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.". ERROR: Unable to connect to a debugger. ERROR: JLinkARM DLL reported an error. Try again. If error condition ERROR: persists, run the same command again with argument --log, contact Nordic ERROR: Semiconductor and provide the generated log.log file to them.

snowuyl · Answer

Yes, I am using j-link debugger to connect the custom board . After I change j-link debugger whose chip made by SEGGER, nrfjprog command works. 
 nrfjprog --family nRF52 --eraseall Erasing user available code and UICR flash areas. Applying system reset.