Flow price: --
b061e821b1890e50fee25efdb0494f5c8e315bb86c2a9c5f179db3203507d675

Transaction

Hash: b061e821b1890e50fee25efdb0494f5c8e315bb86c2a9c5f179db3203507d675
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b061e821b1890e50fee25efdb0494f5c8e315bb86c2a9c5f179db3203507d675:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b061e821b1890e50fee25efdb0494f5c8e315bb86c2a9c5f179db3203507d675
Status:
ERROR
Block height:
39938979
Block id:
225d78f02681767ea7b55a7a7b8b4c3504b35f3047c7758a3dc01c4286511504
Timestamp:
Saturday 29 October 2022 at 17:27:23 UTC
()
Proposer:
Authorizers:
Gas used:
46