During install to build 14257 ( insider) during first boot rcv error ..inaccesible_boot_device?

[Windows Central Question]

during install to build 14257 ( insider) during first boot rcv error ...inaccesible_boot_device

14257 downloading normaly but durung first boot recive blue screen
inaccesible_boot_device after second boot system returns to old build 11102
without problem