phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c64a90bf5537bc5210e07f52f3ca9e25' 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 ('c64a90bf5537bc5210e07f52f3ca9e25', -1, 1763766628, 1763766628, 'd849d828', -4, 0, 0)

Line : 187
File : sessions.php