Flow price: --
764043d2754e9918ba5eb7f5471c5718c61dce830031e53f50a04990891cd590

Transaction

Hash: 764043d2754e9918ba5eb7f5471c5718c61dce830031e53f50a04990891cd590
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 764043d2754e9918ba5eb7f5471c5718c61dce830031e53f50a04990891cd590:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
764043d2754e9918ba5eb7f5471c5718c61dce830031e53f50a04990891cd590
Status:
ERROR
Block height:
40035425
Block id:
289aefbf9a7087446fae6cd8957cd93f0e724025f89cf85461ab12e1ab287966
Timestamp:
Monday 31 October 2022 at 07:53:38 UTC
()
Proposer:
Authorizers:
Gas used:
47