Flow price: --
91b01b26bb1d9ba41ba5c050d7731580daac64b0010dc6aa47de484467f688c3

Transaction

Hash: 91b01b26bb1d9ba41ba5c050d7731580daac64b0010dc6aa47de484467f688c3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 91b01b26bb1d9ba41ba5c050d7731580daac64b0010dc6aa47de484467f688c3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
91b01b26bb1d9ba41ba5c050d7731580daac64b0010dc6aa47de484467f688c3
Status:
ERROR
Block height:
40044029
Block id:
b5237bbe50476e1a703ba0e4a48f24510af5800541598cbc6debb8f5342e533f
Timestamp:
Monday 31 October 2022 at 11:21:44 UTC
()
Proposer:
Authorizers:
Gas used:
47