phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '51f23792d4e6b0fe86fcb9ca5e430216' 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 ('51f23792d4e6b0fe86fcb9ca5e430216', -1, 1751392858, 1751392858, 'd849d8eb', -9, 0, 0)

Line : 187
File : sessions.php