Flow price: --
d4180d8c1c2ab8b9a0e0d5ed6886bf9c451e37e3cec66853ee5b1e3dd6e01ad2

Transaction

Hash: d4180d8c1c2ab8b9a0e0d5ed6886bf9c451e37e3cec66853ee5b1e3dd6e01ad2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d4180d8c1c2ab8b9a0e0d5ed6886bf9c451e37e3cec66853ee5b1e3dd6e01ad2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d4180d8c1c2ab8b9a0e0d5ed6886bf9c451e37e3cec66853ee5b1e3dd6e01ad2
Status:
ERROR
Block height:
39726090
Block id:
1a52a66ac6ab7e80a2ea54e74b56aa53dee77ffd0c7467da11c67cf2e1e4f78c
Timestamp:
Wednesday 26 October 2022 at 03:49:11 UTC
()
Proposer:
Authorizers:
Gas used:
50