Flow price: --
572fc9068925d56a63552796e78fb01b6176ab8bd92a731145cecb0b6923b136

Transaction

Hash: 572fc9068925d56a63552796e78fb01b6176ab8bd92a731145cecb0b6923b136
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 572fc9068925d56a63552796e78fb01b6176ab8bd92a731145cecb0b6923b136:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
572fc9068925d56a63552796e78fb01b6176ab8bd92a731145cecb0b6923b136
Status:
ERROR
Block height:
40047010
Block id:
fc7f136170664489f74ca791fe3c96d7a4a2650c21f9bafe011f4a30772bacf8
Timestamp:
Monday 31 October 2022 at 12:33:55 UTC
()
Proposer:
Authorizers:
Gas used:
49