Flow price: --
2bc72efd838b706d6e9970a979e19c8c2f56e6651e66c9fe4151d736be1bd02e

Transaction

Hash: 2bc72efd838b706d6e9970a979e19c8c2f56e6651e66c9fe4151d736be1bd02e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2bc72efd838b706d6e9970a979e19c8c2f56e6651e66c9fe4151d736be1bd02e: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:
2bc72efd838b706d6e9970a979e19c8c2f56e6651e66c9fe4151d736be1bd02e
Status:
ERROR
Block height:
40103535
Block id:
5152cca99e6aa1f264942a071db24d7c5661a9d3e0f85247c8f49a382310472f
Timestamp:
Tuesday 1 November 2022 at 11:21:09 UTC
()
Proposer:
Authorizers:
Gas used:
47