phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5d81759b104c2db19f40d3721f8212c7' 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 ('5d81759b104c2db19f40d3721f8212c7', -1, 1741058623, 1741058623, '12d9a4ca', 0, 0, 0)

Line : 187
File : sessions.php