phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b2cab88a5146ff2009a524e4cb7f844b' 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 ('b2cab88a5146ff2009a524e4cb7f844b', -1, 1741058092, 1741058092, '03932d07', 0, 0, 0)

Line : 187
File : sessions.php