Flow price: --
a8b860ce6ea7cd447c2e8ed7cbf8bbe6a035f04faa7597e30dd252204c4c1659

Transaction

Hash: a8b860ce6ea7cd447c2e8ed7cbf8bbe6a035f04faa7597e30dd252204c4c1659
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8b860ce6ea7cd447c2e8ed7cbf8bbe6a035f04faa7597e30dd252204c4c1659:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a8b860ce6ea7cd447c2e8ed7cbf8bbe6a035f04faa7597e30dd252204c4c1659
Status:
ERROR
Block height:
39903539
Block id:
e16e069322388244b14d3b612e9b6e00a385a0536a772629ca6a343731dd5c11
Timestamp:
Saturday 29 October 2022 at 03:10:23 UTC
()
Proposer:
Authorizers:
Gas used:
46