Flow price: --
9a64af54d9a57907fdc01702344a6145fd2d684a3507d04a220723dd38af4f77

Transaction

Hash: 9a64af54d9a57907fdc01702344a6145fd2d684a3507d04a220723dd38af4f77
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a64af54d9a57907fdc01702344a6145fd2d684a3507d04a220723dd38af4f77:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9a64af54d9a57907fdc01702344a6145fd2d684a3507d04a220723dd38af4f77
Status:
ERROR
Block height:
40159982
Block id:
0f44e692ba4f187f8c557bf51a6029163fa9a7c32daf20e611bbe87aa34d456a
Timestamp:
Wednesday 2 November 2022 at 10:18:07 UTC
()
Proposer:
Authorizers:
Gas used:
49