phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c75325d56a7e34b7d1ae9ef39c2538a9' 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 ('c75325d56a7e34b7d1ae9ef39c2538a9', -1, 1776174251, 1776174251, 'ac120001', 4, 0, 0)

Line : 187
File : sessions.php