phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a2c22c7e731f38bfa27fa868fd9936f1' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a2c22c7e731f38bfa27fa868fd9936f1', -1, 1715666804, 1715666804, '12de90f4', 14, 0, 0)

Line : 187
File : sessions.php