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
  --> ac2ffae568c1c2c49084c5f3d6ba0199e004996fffd00853fa42ed07959ad8f2:26:8
   |
26 |         self.flobotReceiverCollection.borrow()!.deposit(token: <-flobot)
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^