Flow price: --
9246ecf45d2ead90a937b1e0bf76f014af2549861a4d93e7f308bcdb546e6da2

Transaction

Hash: 9246ecf45d2ead90a937b1e0bf76f014af2549861a4d93e7f308bcdb546e6da2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9246ecf45d2ead90a937b1e0bf76f014af2549861a4d93e7f308bcdb546e6da2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9246ecf45d2ead90a937b1e0bf76f014af2549861a4d93e7f308bcdb546e6da2
Status:
ERROR
Block height:
40009492
Block id:
04e292d333faccd2491f5a288802c8de9fb762087320684b3f4150cca7694e12
Timestamp:
Sunday 30 October 2022 at 21:32:40 UTC
()
Proposer:
Authorizers:
Gas used:
47