Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction preprocess failed: [Error Code: 1101] cadence runtime error: Execution failed:
error: cannot apply binary operation ?? to left-hand type
  --> 3d96558eabfb429e123b05d0d09e6b48fe17b5533752a209efb476637e551072:60:41
   |
60 |              let beneficiaryCapability = getAccount(beneficiary).capabilities.get<&{FungibleToken.Receiver}>(
61 |                      MetadataViews.getRoyaltyReceiverPublicPath()
62 |                  ) ?? panic("Beneficiary does not have Receiver configured at RoyaltyReceiverPublicPath")
   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `optional`, got `Capability<&{FungibleToken.Receiver}>`