Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
error: unexpectedly found nil while forcing an Optional value
  --> c6ed6be0be0cd27857268385579348f28184d23e8c053eb4482e809cad32a2b1:32:29
   |
32 |             let collection = collectionCap.borrow()!
   |                              ^^^^^^^^^^^^^^^^^^^^^^^