Firmware Bug

[RPC] (18) Storage Write @/ext/update/f7-update-0.86.2/resources.tar START
[UTL] Upload 4 entries @Yinmgy ERROR: Operation timeout (generic)
[DEV] Full Update @Yinmgy ERROR: Operation timeout (generic)
[RPC] (18) Storage Write @/ext/update/f7-update-0.86.2/resources.tar ERROR: Operation timeout (generic)

please help me I dont understand that.

[RPC] (31) System Update @/ext/update/f7-update-0.86.2/update.fuf START
[UTL] Start Update @Yinmgy ERROR: Stage integrity error
[DEV] Full Update @Yinmgy ERROR: Stage integrity error
[RPC] (31) System Update @/ext/update/f7-update-0.86.2/update.fuf SUCCESS

is the new error