Flow price: --
3781183e7ce76dd196e44c9848ddc46760f97d15cddd793ad5853ab8a2fb57f3

Transaction

Hash: 3781183e7ce76dd196e44c9848ddc46760f97d15cddd793ad5853ab8a2fb57f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3781183e7ce76dd196e44c9848ddc46760f97d15cddd793ad5853ab8a2fb57f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3781183e7ce76dd196e44c9848ddc46760f97d15cddd793ad5853ab8a2fb57f3
Status:
ERROR
Block height:
40167103
Block id:
ee864bb8cf07f831521fb29692524e9f5dff5f40faa1150e47f270f08cb172a4
Timestamp:
Wednesday 2 November 2022 at 13:10:08 UTC
()
Proposer:
Authorizers:
Gas used:
47