Служит для соединения (наращивания) потолочных профилей.
Warning: Unknown: open(/var/tmp/6/8/sess_68e2kl3rd39h28vqqbdlnqn18m, O_RDWR) failed: Permission denied (13) in Unknown on line 0
Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (2;/var/tmp) in Unknown on line 0