phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : -1 ERROR: duplicate key value violates unique constraint "phpbb_session_pkey" DETAIL: Key (session_id)=(b2c71b3aa2f32656515f38d8c7fbef25) already exists.

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b2c71b3aa2f32656515f38d8c7fbef25', -1, 1714284386, 1714284386, '038d1886', -4, 0, 0)

Line : 187
File : sessions.php