Flow price: --
b8137b71a7e32df14523d95af6363309c5e864a218a92c2a5fa9833963ab3cad

Transaction

Hash: b8137b71a7e32df14523d95af6363309c5e864a218a92c2a5fa9833963ab3cad
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8137b71a7e32df14523d95af6363309c5e864a218a92c2a5fa9833963ab3cad: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:
b8137b71a7e32df14523d95af6363309c5e864a218a92c2a5fa9833963ab3cad
Status:
ERROR
Block height:
40154719
Block id:
c8f97a5baafecc8d24dd352ccc4a92ea7fc206eb05fc45d30c79b3a562a95cac
Timestamp:
Wednesday 2 November 2022 at 08:09:46 UTC
()
Proposer:
Authorizers:
Gas used:
47