Flow price: --
5617a3af63f98f65148daafad89139f7c4910ebcb5ca5510b649540f7e8e7e80

Transaction

Hash: 5617a3af63f98f65148daafad89139f7c4910ebcb5ca5510b649540f7e8e7e80
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5617a3af63f98f65148daafad89139f7c4910ebcb5ca5510b649540f7e8e7e80:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5617a3af63f98f65148daafad89139f7c4910ebcb5ca5510b649540f7e8e7e80
Status:
ERROR
Block height:
39766413
Block id:
0dffee38b6456a0cc843cf42db85ad17c24578afc88cdfd13398005e1f63798f
Timestamp:
Wednesday 26 October 2022 at 20:03:43 UTC
()
Proposer:
Authorizers:
Gas used:
47