phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ab607869e0d00a5976ef823ba4f49ae5' 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 ('ab607869e0d00a5976ef823ba4f49ae5', -1, 1739112373, 1739112373, '12de6a57', -4, 0, 0)

Line : 187
File : sessions.php