Flow price: --
9826e5d95981da9dfedcc63d8bfe49be3ebf421be4cb41a5b7270f4b488cfa63

Transaction

Hash: 9826e5d95981da9dfedcc63d8bfe49be3ebf421be4cb41a5b7270f4b488cfa63
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9826e5d95981da9dfedcc63d8bfe49be3ebf421be4cb41a5b7270f4b488cfa63:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9826e5d95981da9dfedcc63d8bfe49be3ebf421be4cb41a5b7270f4b488cfa63
Status:
ERROR
Block height:
39808905
Block id:
530bab21ed1b7b093518262c1f906640891ad614f8ba4e0e713217aacb02f330
Timestamp:
Thursday 27 October 2022 at 13:11:20 UTC
()
Proposer:
Authorizers:
Gas used:
47