malformed password entry

[root]

# ./smbpasswd -a tlacc
New SMB password:
Retype new SMB password:
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
getsmbfilepwent: malformed password entry (uid not number)
mod_smbfilepwd_entry: malformed password entry (uid not number)
Failed to modify entry for user tlacc.
Failed to modify password entry for user tlacc

I cannot add or change any passwords with smbpasswd.

Any ideas?

Su