Flow price: --
311e4902bf6a1228863eb72eb5b3059418c01646da00490d26ed5ef3e6e578d2

Transaction

Hash: 311e4902bf6a1228863eb72eb5b3059418c01646da00490d26ed5ef3e6e578d2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 311e4902bf6a1228863eb72eb5b3059418c01646da00490d26ed5ef3e6e578d2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
311e4902bf6a1228863eb72eb5b3059418c01646da00490d26ed5ef3e6e578d2
Status:
ERROR
Block height:
39855337
Block id:
c5d1c044aeaed29b9b43b9a290df1f739dc4163a991b883c71d5060ccb88320a
Timestamp:
Friday 28 October 2022 at 07:56:34 UTC
()
Proposer:
Authorizers:
Gas used:
49