Flow price: --
4006919a8d99b690504678a5b2014f026cf443594908ed73a9ce7dc71fb35803

Transaction

Hash: 4006919a8d99b690504678a5b2014f026cf443594908ed73a9ce7dc71fb35803
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4006919a8d99b690504678a5b2014f026cf443594908ed73a9ce7dc71fb35803:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4006919a8d99b690504678a5b2014f026cf443594908ed73a9ce7dc71fb35803
Status:
ERROR
Block height:
39876483
Block id:
9724c282f68e87e34f87c8cb14ccbf6033af91b117fdfbbe084b1d1f3d9fc919
Timestamp:
Friday 28 October 2022 at 16:25:10 UTC
()
Proposer:
Authorizers:
Gas used:
50