Null Reference Not Set To An Instance Of An Object

全部GIF貼圖網路迷因
a woman is smiling with the words cool reference written below her
a group of people holding signs including one that says call your senators
a set of four knobs with green circles around them and one of them has the letter e on it
a hand is pressing a sign up button on a cell phone
a poster that says if you 're not part of the solution you 're part of the problem
    a white background with two purple squares on it
    an illustration of a laptop with the words going to create our own future on it
    a blue graduation cap with the words going to create our own future on it

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      a green and white sign that says 62 99132-7162
      a red shield with a white border is on a white background
      a red circle with an arrow in it
      a cartoon drawing of a red fan with a face
      a yellow triangle with a green exclamation mark on it
      a logo that says getrekt noob in orange letters
      a logo for xmai token wallet with an orange x
      a green and white logo with the name teodoro gibo on the bottom
      a cartoon sonic the hedgehog is walking on a white background
      a green circle on a white background that looks like a ring .
      a red and black heart with the word amore written on it
      a white background with blue circles on it
      a cartoon character wearing glasses is covering his nose .
      a sign that says sign the stimulus in front of the capitol
      a megaphone with the words " there is no planet b " on it
      Bhop Sim Bhop Man Sticker
      stan marsh from south park stands at a podium with the words " this is issue about trust and privacy " below him
        a man in a purple cape with the words " ou feel no compassion " on the bottom
        a cartoon rabbit is holding a book and pointing at a board
        a woman wearing glasses and earrings says " these are just facts "
        a colorful circle with a pink circle in the middle
        a poster with a dove and the words vote to protect your future
        a red and white logo that says eestec on it
        a yellow cartoon dog wearing a blue hat is standing in front of a blue shield
        an illustration of a woman in a wheelchair with a boy and a woman standing behind her
        a woman in a white suit and white gloves is dancing
        a picture of a netflix loading screen surrounded by polaroid pictures
        a black silhouette of a man in a suit running .
        a drawing of a vote for 1 form with a pencil
        a sign that says protect and reclaim civic space on it
        a computer screen displays a message about hr1 " for the people act "
        a pixel art drawing of a man in a red shirt and blue pants with the word noob .
        a cartoon drawing of a baby with a bib on
        a blue logo for vinama innovation nexus with a white background
        a cartoon of a person using a laptop with the program zone written on the screen
        a blue and pink cartoon character with a yellow shirt
        a red triangle with an exclamation point and the word attention below it
        the nation 's first openly transgender state senator
          a red and green sign that says rejected on a white background .
          the skeleton is holding a sign that says `` no more years '' .
          a quote by joe biden that says as a nation we have a lot of obligations but there is no obligation