Flow price: --
d6642c686351226d6a4dd1872c7f04f69a1538592bf813cadf570403ab6c447b

Transaction

Hash: d6642c686351226d6a4dd1872c7f04f69a1538592bf813cadf570403ab6c447b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d6642c686351226d6a4dd1872c7f04f69a1538592bf813cadf570403ab6c447b: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:
d6642c686351226d6a4dd1872c7f04f69a1538592bf813cadf570403ab6c447b
Status:
ERROR
Block height:
40024539
Block id:
882bca73d0621a2fcb0d761fa1b55dd230d548ad3cbaf153d687c7f3b7717612
Timestamp:
Monday 31 October 2022 at 03:31:00 UTC
()
Proposer:
Authorizers:
Gas used:
50