phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e7cd50765d0ed754c6cb8c7f655d10c2' 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 ('e7cd50765d0ed754c6cb8c7f655d10c2', -1, 1769474445, 1769474445, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php