Flow price: --
d1ecb5386f18a6b7ea14306f91fbe23352889e83855410a55912d7d3bf02b413

Transaction

Hash: d1ecb5386f18a6b7ea14306f91fbe23352889e83855410a55912d7d3bf02b413
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d1ecb5386f18a6b7ea14306f91fbe23352889e83855410a55912d7d3bf02b413:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d1ecb5386f18a6b7ea14306f91fbe23352889e83855410a55912d7d3bf02b413
Status:
ERROR
Block height:
39976618
Block id:
19e3774a15c9382e85e388601127c0e52e2912e1363c2e090ed59474a05876c0
Timestamp:
Sunday 30 October 2022 at 08:24:54 UTC
()
Proposer:
Authorizers:
Gas used:
50