Flow price: --
9327a8cdf7fa2d45f32e2bad671a35b96e601f84f7fe8cf284c121a2bedfe831

Transaction

Hash: 9327a8cdf7fa2d45f32e2bad671a35b96e601f84f7fe8cf284c121a2bedfe831
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9327a8cdf7fa2d45f32e2bad671a35b96e601f84f7fe8cf284c121a2bedfe831:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9327a8cdf7fa2d45f32e2bad671a35b96e601f84f7fe8cf284c121a2bedfe831
Status:
ERROR
Block height:
39935876
Block id:
fd22be83339e638306b5fc7361171e839419079a31088b3ad31438ce58ad850c
Timestamp:
Saturday 29 October 2022 at 16:12:27 UTC
()
Proposer:
Authorizers:
Gas used:
46