Not saving all the input

protected $fillable = [
        'user_id',
        'track_title',
        'track_primary_artist',
        'track_featuring_artist',
        'genre_track',
        'preview_track',
        'isrc_track',
        'language_track',
        'explicit_track',
        'writer_track',
    ];

SQLSTATE[23502]: Not null violation: 7 ERROR: null value in column "track_primary_artist" of relation "tracks" violates not-null constraint DETAIL: Failing row contains (16, 1, null, Surga & Neraka, null, null, Hip-Hop/Rap, 11:24, null, ID, null, ["Hildan Ramdani"], 2024-06-28 03:43:38, 2024-06-28 03:43:38). (Connection: pgsql, SQL: insert into "tracks" ("track_title", "genre_track", "preview_track", "isrc_track", "language_track", "writer_track", "user_id", "updated_at", "created_at") values (Surga & Neraka, Hip-Hop/Rap, 11:24, ?, ID, ["Hildan Ramdani"], 1, 2024-06-28 03:43:38, 2024-06-28 03:43:38) returning "id")