Weird exception when cracking DES(unix)

[Hookeo]

I'm getting a weird line-length exception with this command:

Code:

cudaHashcat64 -m 1500 -a 3 --session session1 ?d?d?d?d?l?l -o file.txt --remove hashed_file.txt

It's throwing me the error with the ?d?d?d?d?l?l section, and I'm not sure why.