Flow price: --
528842b64d6ff6352325d88dbeadf3c5b55e2b8f378b180019d2a730a10c2a1c

Transaction

Hash: 528842b64d6ff6352325d88dbeadf3c5b55e2b8f378b180019d2a730a10c2a1c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 528842b64d6ff6352325d88dbeadf3c5b55e2b8f378b180019d2a730a10c2a1c: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:
528842b64d6ff6352325d88dbeadf3c5b55e2b8f378b180019d2a730a10c2a1c
Status:
ERROR
Block height:
40170197
Block id:
e9629a5b8f04e8a308ad71bbfa155f24f94cef229811e4ec51c01b4cbcd282ae
Timestamp:
Wednesday 2 November 2022 at 14:25:15 UTC
()
Proposer:
Authorizers:
Gas used:
46