Flow price: --
b9c30206150e7c1b5fc17bae29c55360fce17d657c18885b1bf0c8f5f46a8b9b

Transaction

Hash: b9c30206150e7c1b5fc17bae29c55360fce17d657c18885b1bf0c8f5f46a8b9b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9c30206150e7c1b5fc17bae29c55360fce17d657c18885b1bf0c8f5f46a8b9b: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:
b9c30206150e7c1b5fc17bae29c55360fce17d657c18885b1bf0c8f5f46a8b9b
Status:
ERROR
Block height:
40169849
Block id:
8ab6be161150a5c0773a8dc43e34a028de4acdb331716b80a9765ed965bb4ebe
Timestamp:
Wednesday 2 November 2022 at 14:16:55 UTC
()
Proposer:
Authorizers:
Gas used:
49