Flow price: --
4e4a6cee693328d7b7bbf656d869657a916f9a249c0b1c638efd509b1b8235b0

Transaction

Hash: 4e4a6cee693328d7b7bbf656d869657a916f9a249c0b1c638efd509b1b8235b0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4e4a6cee693328d7b7bbf656d869657a916f9a249c0b1c638efd509b1b8235b0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4e4a6cee693328d7b7bbf656d869657a916f9a249c0b1c638efd509b1b8235b0
Status:
ERROR
Block height:
39997583
Block id:
304ec665c783477731c2ee5b159c33a9eb6f5778658fc6d458e6d5d47685f83a
Timestamp:
Sunday 30 October 2022 at 16:47:37 UTC
()
Proposer:
Authorizers:
Gas used:
46