Flow price: --
c98ca1d8abdfad3486d15c6fc762a340f369a8f1345fdeedb5c1eaabe5040358

Transaction

Hash: c98ca1d8abdfad3486d15c6fc762a340f369a8f1345fdeedb5c1eaabe5040358
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c98ca1d8abdfad3486d15c6fc762a340f369a8f1345fdeedb5c1eaabe5040358:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c98ca1d8abdfad3486d15c6fc762a340f369a8f1345fdeedb5c1eaabe5040358
Status:
ERROR
Block height:
39735300
Block id:
15b28f9dc3bf862a8bfa61254138eefa3e9891a130f70e6c32dae4f2f4070057
Timestamp:
Wednesday 26 October 2022 at 07:31:45 UTC
()
Proposer:
Authorizers:
Gas used:
49