phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '340cd0f6aa2ec1c3dcc158e441ab902c' 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 ('340cd0f6aa2ec1c3dcc158e441ab902c', -1, 1765908169, 1765908169, 'd849d834', -9, 0, 0)

Line : 187
File : sessions.php