Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
   --> a2e1095f48cffcad11adc68498da4be2995e65ea727ef73c403fc402c1613e5c:124:8
    |
124 |         self.listing.fund(
125 |             payment: <-self.paymentVault,
126 |             lenderFungibleTokenReceiver: self.tokenReceiver,
127 |             lenderNFTCollection: self.nftReceiver
128 |         )
    |         ^

error: unexpectedly found nil while forcing an Optional value
   --> e1d43e0cfc237807.Flowty:509:48
    |
509 |             let feeTokenPath = Flowty.TokenPaths[self.details.paymentVaultType.identifier]!
    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^