select max(vi_id) as max_vi_id from g4_visit

145 : Table './dui0415/g4_visit' is marked as crashed and should be repaired

error file : /tour/tour_view.php
Warning: Unknown: open(../data/session/sess_bd1e24764e05e2911f5b815538c3fa8b, O_RDWR) failed: No such file or directory (2) 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 (../data/session) in Unknown on line 0