CAPS Universe documentation  1.0.4
All you need to know to be successful
Caps_trouble_group

Failed to create temp. File

You catch an error when trying to print something or retrieving the printer's PPD.

CAPS caps-printer: Failed to create a temporary file in directory /var/spool/caps: Permission denied
CAPS caps-printer: Directory setup insufficient
CAPS caps-printer: Refer the CAPS universe's manual section 'Filesystem Setup' for details

The directory at /var/spool/caps (Setup CAPS Document Storage Directory) does not match the requirements CAPS has. This directory must be owned by caps-coord and group lp with the permissions 0775 and it must be physically writeable (no read-only support).