phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e6f7dd1d10b51d4e90a39b30ee0ce5f0' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('e6f7dd1d10b51d4e90a39b30ee0ce5f0', -1, 1741070976, 1741070976, '12754e38', 0, 0, 0)

Line : 187
File : sessions.php