The Fix i hope it goes now!
/summon FallingSand ~ ~2 ~ {Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{TileEntityData:{Command:"/fill ~2 ~-1 ~2 ~-2 ~3 ~14 minecraft:stained_glass 5 hollow",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~2 ~-2 ~2 ~-2 ~-2 ~14 minecraft:stained_hardened_clay 14",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~1 ~-2 ~3 ~-1 ~2 ~13 air",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~1 ~-3 ~12 ~-1 ~-1 ~12 redstone_block",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"summon FallingSand ~-1 ~3 ~11 {id:\"FallingSand\",Block:\"iron_block\",Time:1}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"summon FallingSand ~-1 ~2 ~13 {Riding:{TileEntityData:{Command:\"/scoreboard teams add FF\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},id:\"FallingSand\",Block:\"iron_block\",Time:1}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"summon FallingSand ~0 ~1 ~11 {Riding:{TileEntityData:{Command:\"summon FallingSand ~0 ~1 ~-8 {id:\\"FallingSand\\",Block:\\"redstone_block\\",Time:1}\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},id:\"FallingSand\",Block:\"iron_block\",Time:1}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"summon FallingSand ~0 ~0 ~13 {Riding:{TileEntityData:{Command:\"fill ~-2 ~3 ~1 ~2 ~3 ~-11 minecraft:stained_hardened_clay 14\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},id:\"FallingSand\",Block:\"iron_block\",Time:1}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/summon FallingSand ~-1 ~2 ~3 {Riding:{TileEntityData:{Command:\"/fill ~1 ~ ~ ~1 ~2 ~7 stone\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},TileEntityData:{Command:\"/execute @a[team=FF] ~ ~ ~ kill @e[type=!Player,r=5]\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/summon FallingSand ~1 ~1 ~3 {Riding:{TileEntityData:{Command:\"/fill ~-1 ~ ~ ~-1 ~2 ~7 redstone_block\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},TileEntityData:{Command:\"/replaceitem entity @a slot.hotbar.8 minecraft:written_book 1 0 {author:\\"Programmierer\\",title:\\"ForceField\\",pages:[\\"{text:\\\\"Achtung! Die Items werden\\\\nim Radius von 5 Blöcken\\\\nGelöscht!\\\\n\\\\n\\\\",color:\\\\"dark_red\\\\",extra:[{text:\\\\"ForceField ON\\\\n\\\\n\\\\",color:\\\\"green\\\\",hoverEvent:{action:\\\\"show_text\\\\",value:{text:\\\\"Klick dass du dein ForceField bekommst!\\\\",bold:\\\\"true\\\\",color:\\\\"gold\\\\"}},clickEvent:{action:\\\\"run_command\\\\",value:\\\\"/scoreboard teams join FF\\\\"}},{text:\\\\"ForceField OFF\\\\n\\\\n\\\\",color:\\\\"red\\\\",hoverEvent:{action:\\\\"show_text\\\\",value:{text:\\\\"Klick, wenn du kein ForceField mehr willst!\\\\",bold:\\\\"true\\\\",color:\\\\"gold\\\\"}},clickEvent:{action:\\\\"run_command\\\\",value:\\\\"/scoreboard teams leave FF\\\\"}}]}\\"]}\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/setblock ~ ~-7 ~1 wall_sign 2 0 {Text1:\"===============\",Text2:\"{text:\\"Click\\",color:\\"dark_red\\",clickEvent:{action:run_command,value:\\"/fill ~2 ~1 ~ ~-2 ~-3 ~13 air\\"},extra:[{text:\\" to remove\\",color:\\"black\\"}]}\",Text3:\"this structure\",Text4:\"===============\"}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/setblock ~ ~-9 ~1 wall_sign 2 0 {Text2:\"{\\"color\\":\\"dark_red\\",\\"text\\":\\"ForceField\\"}\",Text3:\"null\",Text1:\"null\",Text4:\"null\",y:56,x:-1076,z:-214,id:\"Sign\"}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~ ~-12 ~ ~-1 ~2 ~ air",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~-1 ~-13 ~ ~-1 ~-1 ~ redstone_block",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},id:"FallingSand",Block:"redstone_block",Time:1}