Restore value is greater than keyspace

[mrmike]

Code:

hashcat64.exe -a 3 -m 0 [xx.hash.xx] masks\my_mask.hcmask -w 4 --status

Session..........: hashcat
Status...........: Exhausted
Hash.Type........: MD5
Hash.Target......: [xx.hash.xx]
Time.Started.....: Sat Jun 01 13:45:10 2019 (1 sec)
Time.Estimated...: Sat Jun 01 13:45:11 2019 (0 secs)
Guess.Mask.......: ?l?l?l?l?s?l?l [7]
Guess.Queue......: 1592/91133 (1.75%)
Speed.#3.........: 10657.3 MH/s (49.76ms) @ Accel:64 Loops:1024 Thr:1024 Vec:1
Recovered........: 0/1 (0.00%) Digests, 0/1 (0.00%) Salts
Progress.........: 10194220608/10194220608 (100.00%)
Rejected.........: 0/10194220608 (0.00%)
Restore.Point....: 580008/580008 (100.00%)
Restore.Sub.#3...: Salt:0 Amplifier:17408-17576 Iteration:0-1024
Candidates.#3....: fkxe_ma -> xqxq~xq
Hardware.Mon.#3..: Temp: 81c Fan: 78% Util: 95% Core:1847MHz Mem:4513MHz Bus:16
Restore value is greater than keyspace.

Started: Sat Jun 01 13:26:50 2019
Stopped: Sat Jun 01 13:45:13 2019

Can anyone advise on this issue? I didn't pause or attempt to resume anything, it just happened. However I get the same error when trying to restore.