phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8c2ca0a43215f15d8c4aee6a9f8697c5' 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 ('8c2ca0a43215f15d8c4aee6a9f8697c5', -1, 1764921361, 1764921361, 'd849d82f', -4, 0, 0)

Line : 215
File : sessions.php