Flow price: --
24709a0be85c308076a92c3953bcc12a9fd96529181a2dbdff076ce46bd26910

Transaction

Hash: 24709a0be85c308076a92c3953bcc12a9fd96529181a2dbdff076ce46bd26910
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 24709a0be85c308076a92c3953bcc12a9fd96529181a2dbdff076ce46bd26910:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
24709a0be85c308076a92c3953bcc12a9fd96529181a2dbdff076ce46bd26910
Status:
ERROR
Block height:
40157917
Block id:
5c8b139ac2e8ff9d37fa6295c9da411218826b16716bd5ce6044ea2125281969
Timestamp:
Wednesday 2 November 2022 at 09:27:33 UTC
()
Proposer:
Authorizers:
Gas used:
46