Flow price: --
253c36e290fcdb16dbeafc9b37b3ce2af1c7aef5ccc1e74f3ee45cc144de708b

Transaction

Hash: 253c36e290fcdb16dbeafc9b37b3ce2af1c7aef5ccc1e74f3ee45cc144de708b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 253c36e290fcdb16dbeafc9b37b3ce2af1c7aef5ccc1e74f3ee45cc144de708b: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:
253c36e290fcdb16dbeafc9b37b3ce2af1c7aef5ccc1e74f3ee45cc144de708b
Status:
ERROR
Block height:
39854975
Block id:
c7082ae6a9b9a9b6795062fc48ce7f43ba692e052b6b9f8825711f1ad958b59c
Timestamp:
Friday 28 October 2022 at 07:47:46 UTC
()
Proposer:
Authorizers:
Gas used:
47