Flow price: --
beb718454c76b00f0e84d7e85ca9415fd7896093fa53d1097c9af6b55df817f3

Transaction

Hash: beb718454c76b00f0e84d7e85ca9415fd7896093fa53d1097c9af6b55df817f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> beb718454c76b00f0e84d7e85ca9415fd7896093fa53d1097c9af6b55df817f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
beb718454c76b00f0e84d7e85ca9415fd7896093fa53d1097c9af6b55df817f3
Status:
ERROR
Block height:
40068210
Block id:
5cdc4f68f72847daebdd270ac3b6c18af600ee3d723e4c153a5838a88c737721
Timestamp:
Monday 31 October 2022 at 21:07:26 UTC
()
Proposer:
Authorizers:
Gas used:
47