y91 flashing error

Operation : Flash
Checking for existing devices...Not Found
Turn Off phone, hold Vol UP + Vol DOWN and insert USB cable.
Some phones may need Special Boot Cable or TestPoint for EDL mode.
Found Port : Qualcomm HS-USB QDLoader 9008 (COM34)
Driver Info : Qualcomm Incorporated, qcusbser.sys, 2.1.2.7
Connecting to phone...OK
Waiting for response...OK
Init Handshake Sequence...OK
Hardware ID : E1F00B00 [8937] 00000000
OPK_DATA : 30315EBED1DD09CEAAE927CAE0EE967076BC178CA33718DB4F FF8F02A0E7FAD2
Initializing Protocol...OK
Using Auto Loader Selection [1]
Preparing Loader...Done
Sending Loader [8937_029]...Done
Executing Loader...OK
Detecting Chip Type...OK
Hardware : 8937, eMMC, 64 GB
LU Count : 1 [0x0747C000]
Payload Info : In: 262144 [4096], Out: 1048576, Sector Size: 512
Writing [NON-HLOS.bin] -> [modem] ...Failed
Operation Finished.
QcFire Ver. 5.6

y91 flashing error.itis emmc damaged ?