Flow price: --
303c41a0c1345fd35ec32d81030593839ad596ee2b1286d0dd474a81763517b2

Transaction

Hash: 303c41a0c1345fd35ec32d81030593839ad596ee2b1286d0dd474a81763517b2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 303c41a0c1345fd35ec32d81030593839ad596ee2b1286d0dd474a81763517b2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
303c41a0c1345fd35ec32d81030593839ad596ee2b1286d0dd474a81763517b2
Status:
ERROR
Block height:
39755777
Block id:
40ac3a8006ea826eb8e1a06402575ba3b5b12b21227c21af00ee86ca4c8dcec7
Timestamp:
Wednesday 26 October 2022 at 15:45:41 UTC
()
Proposer:
Authorizers:
Gas used:
49