Flow price: --
e443134341c4cce5c57d4dcf5f5f79b714e455c8be6e10bed45cdd4bc56c4817

Transaction

Hash: e443134341c4cce5c57d4dcf5f5f79b714e455c8be6e10bed45cdd4bc56c4817
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e443134341c4cce5c57d4dcf5f5f79b714e455c8be6e10bed45cdd4bc56c4817:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e443134341c4cce5c57d4dcf5f5f79b714e455c8be6e10bed45cdd4bc56c4817
Status:
ERROR
Block height:
39849198
Block id:
f42d59410fbda2664286224315194f01a22db91e15a81d89dfa4af02079275a6
Timestamp:
Friday 28 October 2022 at 05:26:07 UTC
()
Proposer:
Authorizers:
Gas used:
47