phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd2a687df384ae0c88c0c38468ed0ef14' 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 ('d2a687df384ae0c88c0c38468ed0ef14', -1, 1765947178, 1765947178, 'd849d88f', -9, 0, 0)

Line : 187
File : sessions.php