Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: unexpectedly found nil while forcing an Optional value
  --> 82509ef74552c7fe093687d6227959e92d5db1fd538356747e757da28e5f2c07:14:63
   |
14 |                 .borrow<&{NonFungibleToken.CollectionPublic}>()!
   |                                                                ^