Flow price: --
2918b486cf94add01feb36a95225fc23a9c770546cac56ecb754e83bf1326490

Transaction

Hash: 2918b486cf94add01feb36a95225fc23a9c770546cac56ecb754e83bf1326490
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2918b486cf94add01feb36a95225fc23a9c770546cac56ecb754e83bf1326490:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2918b486cf94add01feb36a95225fc23a9c770546cac56ecb754e83bf1326490
Status:
ERROR
Block height:
39853438
Block id:
14e3a07618e9f1d853bce07d559a20967ee3887d2f56cf92e7a0727836ca7006
Timestamp:
Friday 28 October 2022 at 07:09:52 UTC
()
Proposer:
Authorizers:
Gas used:
50