Flow price: --
d8cdc3d659919b651d7dc8c67bdae0fe56333ac9748f240c6db1c973b3c291c5

Transaction

Hash: d8cdc3d659919b651d7dc8c67bdae0fe56333ac9748f240c6db1c973b3c291c5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d8cdc3d659919b651d7dc8c67bdae0fe56333ac9748f240c6db1c973b3c291c5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d8cdc3d659919b651d7dc8c67bdae0fe56333ac9748f240c6db1c973b3c291c5
Status:
ERROR
Block height:
40026592
Block id:
6ad1ba889a2ed9ba49f4c3b7532f5f404052b6d5cbd31dc281e8d59f5108a88a
Timestamp:
Monday 31 October 2022 at 04:20:28 UTC
()
Proposer:
Authorizers:
Gas used:
48