Error messages received during USS signon:
FSUM2384 No session was started. The system cannot set the current working directory to the specified home directory for this user ID. Function = chdir(), directory name = '/u/users/joe', return value = -1, errno = number 129, reason code = 05190050, message = 'EDC5129I No Such File or Directory'
Release : 16.0
The directory added to the user via HOME keyword must exist.
Example:
TSS ADD(JOE) HOME('/u/users/joe')
'/u/users/joe' must exist.
If it doesn't, create it via USS make directory command:
mkdir -p 'u/users/joe'