phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b2181a911c375fbe63a387bbc3c7111e' 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 ('b2181a911c375fbe63a387bbc3c7111e', -1, 1713564383, 1713564383, '12dfc4d3', 11, 0, 0)

Line : 187
File : sessions.php