Flow price: --
a46da0a1182524e1d273b14b3a35dfe85e5c86a581004477289a421bae530d00

Transaction

Hash: a46da0a1182524e1d273b14b3a35dfe85e5c86a581004477289a421bae530d00
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a46da0a1182524e1d273b14b3a35dfe85e5c86a581004477289a421bae530d00:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a46da0a1182524e1d273b14b3a35dfe85e5c86a581004477289a421bae530d00
Status:
ERROR
Block height:
40036618
Block id:
a90b9de3dc3fb68055825d0dcdd647f3e714a6c43335af04b66f736458f6ee39
Timestamp:
Monday 31 October 2022 at 08:22:19 UTC
()
Proposer:
Authorizers:
Gas used:
49