Flow price: --
c654f26bcdabce90311d101a5a2f229ad40a666903ea33dc6e0c75e817fd1dbf

Transaction

Hash: c654f26bcdabce90311d101a5a2f229ad40a666903ea33dc6e0c75e817fd1dbf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c654f26bcdabce90311d101a5a2f229ad40a666903ea33dc6e0c75e817fd1dbf: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:
c654f26bcdabce90311d101a5a2f229ad40a666903ea33dc6e0c75e817fd1dbf
Status:
ERROR
Block height:
40032309
Block id:
33ca1090d0e3763aad66813c2156c392bf0c9841a23116168fe3c99e87f11a63
Timestamp:
Monday 31 October 2022 at 06:39:18 UTC
()
Proposer:
Authorizers:
Gas used:
47