phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'acb81b990ac4d29b1aff41790312b34b' 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 ('acb81b990ac4d29b1aff41790312b34b', -1, 1715417948, 1715417948, '038dc5d4', 20, 0, 0)

Line : 187
File : sessions.php