Flow price: --
7b9b0ee159f7461248fb28d27a55b993a35a1c29fb74f45db3d0bd8900bf1566

Transaction

Hash: 7b9b0ee159f7461248fb28d27a55b993a35a1c29fb74f45db3d0bd8900bf1566
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7b9b0ee159f7461248fb28d27a55b993a35a1c29fb74f45db3d0bd8900bf1566:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7b9b0ee159f7461248fb28d27a55b993a35a1c29fb74f45db3d0bd8900bf1566
Status:
ERROR
Block height:
39862450
Block id:
a42fbcd602d997cfde80185472333f218e3915ce6118c64a19e83b63e8a73310
Timestamp:
Friday 28 October 2022 at 10:47:40 UTC
()
Proposer:
Authorizers:
Gas used:
50