Flow price: --
8781d496141f1312c02ad6329abc56bdfbe79f0d50fad3458910e3b116018531

Transaction

Hash: 8781d496141f1312c02ad6329abc56bdfbe79f0d50fad3458910e3b116018531
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8781d496141f1312c02ad6329abc56bdfbe79f0d50fad3458910e3b116018531:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8781d496141f1312c02ad6329abc56bdfbe79f0d50fad3458910e3b116018531
Status:
ERROR
Block height:
39842581
Block id:
4c2ccdf0e0cc94f2f01e2c568f701abfc25c0e4a29c07496969d6ffa137fc00e
Timestamp:
Friday 28 October 2022 at 02:46:30 UTC
()
Proposer:
Authorizers:
Gas used:
46