Flow price: --
8bd74a6c873cb79982cf8f44e31b581e4ce4d6a03c6014783f94d49d2684eb16

Transaction

Hash: 8bd74a6c873cb79982cf8f44e31b581e4ce4d6a03c6014783f94d49d2684eb16
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8bd74a6c873cb79982cf8f44e31b581e4ce4d6a03c6014783f94d49d2684eb16:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8bd74a6c873cb79982cf8f44e31b581e4ce4d6a03c6014783f94d49d2684eb16
Status:
ERROR
Block height:
40168098
Block id:
f61586c44852dcae8bad439d9c42aa3cc03dfd0be859f0e05f04d609e78d12f2
Timestamp:
Wednesday 2 November 2022 at 13:34:29 UTC
()
Proposer:
Authorizers:
Gas used:
47