Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: panic: Could not borrow a reference to the receiver's collection
  --> 5ffbb63aa6cddbf043bfd1de35c205840c5713d32c8a2ebf22884a8368d5935a:21:15
   |
21 |             ?? panic("Could not borrow a reference to the receiver's collection")
   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^