phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a88380b6362d12ed158b0e6ad508f03b' 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 ('a88380b6362d12ed158b0e6ad508f03b', -1, 1760791260, 1760791260, 'd849d801', -9, 0, 0)

Line : 187
File : sessions.php