Flow price: --
499a035fad6681632de70cf8d8e10547c423a8970fa267ce4e5bf6487fac8561

Transaction

Hash: 499a035fad6681632de70cf8d8e10547c423a8970fa267ce4e5bf6487fac8561
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 499a035fad6681632de70cf8d8e10547c423a8970fa267ce4e5bf6487fac8561:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
499a035fad6681632de70cf8d8e10547c423a8970fa267ce4e5bf6487fac8561
Status:
ERROR
Block height:
39780961
Block id:
f24ad01a80bc27b0e104a343796c1cf03331129e499ae1eccb0c305852871562
Timestamp:
Thursday 27 October 2022 at 01:55:04 UTC
()
Proposer:
Authorizers:
Gas used:
46