Flow price: --
01293aa936a6e7aeaf7c3bac5a1a2553947bc37bbd5c5491c1f8b249de733516

Transaction

Hash: 01293aa936a6e7aeaf7c3bac5a1a2553947bc37bbd5c5491c1f8b249de733516
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 01293aa936a6e7aeaf7c3bac5a1a2553947bc37bbd5c5491c1f8b249de733516:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
01293aa936a6e7aeaf7c3bac5a1a2553947bc37bbd5c5491c1f8b249de733516
Status:
ERROR
Block height:
40046526
Block id:
cf479deb2b9f99daadb5c43ab5cf974a9096ebbc98ce6558ebdf02a226977336
Timestamp:
Monday 31 October 2022 at 12:22:11 UTC
()
Proposer:
Authorizers:
Gas used:
48