phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5091206e44553779c7ca42f88b05280d' 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 ('5091206e44553779c7ca42f88b05280d', -1, 1766294733, 1766294733, 'd849d819', 2, 0, 0)

Line : 187
File : sessions.php