phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c5b716f91a6ee8e364a12f0ff1a3281c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c5b716f91a6ee8e364a12f0ff1a3281c', -1, 1768673644, 1768673644, 'c0a8100c', 2, 0, 0)

Line : 187
File : sessions.php