phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1eefde4d23c4f03146c1d8d0247f611d' 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 ('1eefde4d23c4f03146c1d8d0247f611d', -1, 1770197599, 1770197599, 'd849d8a2', -4, 0, 0)

Line : 187
File : sessions.php