phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '71276c58710f2bc33b722427a7f97af2' 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 ('71276c58710f2bc33b722427a7f97af2', -1, 1768506569, 1768506569, 'c0a8100c', -501, 0, 0)

Line : 187
File : sessions.php