phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c2259201d991ac558a86bb9b93845db1' 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 ('c2259201d991ac558a86bb9b93845db1', -1, 1759566465, 1759566465, 'd849d8ac', -4, 0, 0)

Line : 187
File : sessions.php