phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('16b8ad4fe2dd2bacb76c7b52506d9912', -1, 1529327925, 1529327925, '369e0f61', 8, 0, 0)

Line : 187
File : sessions.php