ERROR: Unable to send filesystem payload in asr_send_payload

[hiepnh0]

idevicerestore/src/restore.c

Line 954 in 56d2c01

if (asr_send_payload(asr, file) < 0) {

asr_send_payload always returns 0, causing idevicerestore to not respond.

About to send filesystem...
Connected to ASR
Validating the filesystem
Filesystem validated
Sending filesystem now...
ERROR: Unable to send data to ASR. Sent 63556 of 131092 bytes.
ERROR: Unable to send filesystem payload
ERROR: Unable to send data to ASR. Sent 0 of 131092 bytes.
ERROR: Unable to send filesystem payload
ERROR: Unable to send data to ASR. Sent 0 of 131092 bytes.
ERROR: Unable to send filesystem payload
ERROR: Unable to send data to ASR. Sent 0 of 131092 bytes.
ERROR: Unable to send filesystem payload
Done sending filesystem

Test on Apple Watch Series 7 (45mm LTE).
idevicerestore 1.0.0-147-g17969ef
macOS Catalina 10.15.7