phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ea6c573c900803464f1f3d639bb13291' 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 ('ea6c573c900803464f1f3d639bb13291', -1, 1768353472, 1768353472, 'd849d868', -10, 0, 0)

Line : 187
File : sessions.php