Flow price: --
f69c2379aeb44575cd1005b688432ba2e81d81189bc030edd212f71c86a7a2d6

Transaction

Hash: f69c2379aeb44575cd1005b688432ba2e81d81189bc030edd212f71c86a7a2d6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f69c2379aeb44575cd1005b688432ba2e81d81189bc030edd212f71c86a7a2d6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f69c2379aeb44575cd1005b688432ba2e81d81189bc030edd212f71c86a7a2d6
Status:
ERROR
Block height:
39918494
Block id:
763381b19531094eef5529463a76e557111a56fd2bd24901307aaeeb452096de
Timestamp:
Saturday 29 October 2022 at 09:10:40 UTC
()
Proposer:
Authorizers:
Gas used:
47