phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8215020e2fab0198d832ef6501250680' 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 ('8215020e2fab0198d832ef6501250680', -1, 1711704555, 1711704555, '3417e7cf', 11, 0, 0)

Line : 187
File : sessions.php