Flow price: --
f1d72af570632652ed83c4e87ce12a61458d962961784a4f68f1d0f86e6004b5

Transaction

Hash: f1d72af570632652ed83c4e87ce12a61458d962961784a4f68f1d0f86e6004b5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f1d72af570632652ed83c4e87ce12a61458d962961784a4f68f1d0f86e6004b5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f1d72af570632652ed83c4e87ce12a61458d962961784a4f68f1d0f86e6004b5
Status:
ERROR
Block height:
39792840
Block id:
0f02f2e7285dd0829d9b9dda225bcad3a2bf13ce4908818d333a7bd39af92e03
Timestamp:
Thursday 27 October 2022 at 06:41:43 UTC
()
Proposer:
Authorizers:
Gas used:
46