Flow price: --
9e16ccadddc2bcb6e5f3793e6170da4a4665cf6a601bf002a7cc92b50b6c53f3

Transaction

Hash: 9e16ccadddc2bcb6e5f3793e6170da4a4665cf6a601bf002a7cc92b50b6c53f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e16ccadddc2bcb6e5f3793e6170da4a4665cf6a601bf002a7cc92b50b6c53f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9e16ccadddc2bcb6e5f3793e6170da4a4665cf6a601bf002a7cc92b50b6c53f3
Status:
ERROR
Block height:
39879503
Block id:
73be3b8fd5b55db9ebe9e2e1f39c5adbb00bba8a7d49cc6bdf98cfc1241eeceb
Timestamp:
Friday 28 October 2022 at 17:37:16 UTC
()
Proposer:
Authorizers:
Gas used:
47