Flow price: --
3b8cbf968145e875df6bef4eca17f57419237e90c5596e5a94a28de1b362e381

Transaction

Hash: 3b8cbf968145e875df6bef4eca17f57419237e90c5596e5a94a28de1b362e381
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3b8cbf968145e875df6bef4eca17f57419237e90c5596e5a94a28de1b362e381:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3b8cbf968145e875df6bef4eca17f57419237e90c5596e5a94a28de1b362e381
Status:
ERROR
Block height:
39947334
Block id:
c362eaac2a12dd121c82a6d57de6b5d486608957d5ec068162e41c95016caeb4
Timestamp:
Saturday 29 October 2022 at 20:46:50 UTC
()
Proposer:
Authorizers:
Gas used:
47