Flow price: --
4dd8fc909dcc0e5e3fc406b3ed9552a8ed205ae40479a6a2e1e8a228a1f3ade1

Transaction

Hash: 4dd8fc909dcc0e5e3fc406b3ed9552a8ed205ae40479a6a2e1e8a228a1f3ade1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4dd8fc909dcc0e5e3fc406b3ed9552a8ed205ae40479a6a2e1e8a228a1f3ade1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4dd8fc909dcc0e5e3fc406b3ed9552a8ed205ae40479a6a2e1e8a228a1f3ade1
Status:
ERROR
Block height:
40156489
Block id:
0fcd34097b9f838d9948987bef525c52987468b5cb8cde24e40c64437e114739
Timestamp:
Wednesday 2 November 2022 at 08:53:10 UTC
()
Proposer:
Authorizers:
Gas used:
47