phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c5405e2e670b486935ab17036916b7f9' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c5405e2e670b486935ab17036916b7f9', -1, 1766049333, 1766049333, 'd849d8d9', -4, 0, 0)

Line : 187
File : sessions.php