Flow price: --
c988a38075d0009dc7003461dc0cf62258ed9c1c643ae49350d8514ad17a6cf3

Transaction

Hash: c988a38075d0009dc7003461dc0cf62258ed9c1c643ae49350d8514ad17a6cf3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c988a38075d0009dc7003461dc0cf62258ed9c1c643ae49350d8514ad17a6cf3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c988a38075d0009dc7003461dc0cf62258ed9c1c643ae49350d8514ad17a6cf3
Status:
ERROR
Block height:
40105762
Block id:
c7261db74648143def0fbb0d561c8163a6ad08dcafb6d001ca81a9cc7cfe8bc4
Timestamp:
Tuesday 1 November 2022 at 12:15:22 UTC
()
Proposer:
Authorizers:
Gas used:
46