phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e8c9185eeae77aecd09f61efc2657596' 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 ('e8c9185eeae77aecd09f61efc2657596', -1, 1768691180, 1768691180, 'd849d8d9', -9, 0, 0)

Line : 187
File : sessions.php