phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a26ca2bd189dd969cb10596a4b79f78e' 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 ('a26ca2bd189dd969cb10596a4b79f78e', -1, 1713555886, 1713555886, '03932aa8', -2, 0, 0)

Line : 187
File : sessions.php