htc u11 temporary s0ff error

assalamulaikum

friends i m facing this issue..any help really appreciated

im trying to temporary s-off u11 but this always gives error

1. Checking phone connectivity...
Phone connection confirmed!
HTC KEY CARD VERSION: 7
2. Checking Server connectivity...
Server connection confirmed!
3. Checking PowerAdapter connectivity...
Process started
PowerAdapter connected, processing request to adapter...
Starting operation...
Sending oem writesecureflag 0
... (bootloader) HTC KEY CARD VERSION: 7
FAILPERMISSION DENY (GT_CONNECT_FAIL)
FAILED (remote: PERMISSION DENY (GT_CONNECT_FAIL))
Execution time is 1(s)
Operation completed!
Releasing adapter.
Request completed

and when i try to write supoercid with power adapter it gives this error

1. Checking phone connectivity...
Phone connection confirmed!
HTC KEY CARD VERSION: 7
2. Checking Server connectivity...
Server connection confirmed!
3. Checking PowerAdapter connectivity...
PowerAdapter connected, processing request to adapter...
Process started
Starting operation...
Sending oem writecid 11111111
... FAILWRITE CID PERMISSION ERROR
FAILED (remote: WRITE CID PERMISSION ERROR)
Execution time is 1(s)
Operation completed!
Releasing adapter.
Request completed