Flow price: --
643edc850338b682f7a381a203164a3cfa1dcb2ef9a5e506f812d221a08b6375

Transaction

Hash: 643edc850338b682f7a381a203164a3cfa1dcb2ef9a5e506f812d221a08b6375
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 643edc850338b682f7a381a203164a3cfa1dcb2ef9a5e506f812d221a08b6375:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
643edc850338b682f7a381a203164a3cfa1dcb2ef9a5e506f812d221a08b6375
Status:
ERROR
Block height:
40151183
Block id:
38e23db7339cf663897482de274a45dcdc643a79a16e03db6865642d11183e15
Timestamp:
Wednesday 2 November 2022 at 06:43:15 UTC
()
Proposer:
Authorizers:
Gas used:
47