Flow price: --
217b2d90a644c7096de1bdfd0ba6dac7c47e14e834d9a5d9c508eefeb46181fd

Transaction

Hash: 217b2d90a644c7096de1bdfd0ba6dac7c47e14e834d9a5d9c508eefeb46181fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 217b2d90a644c7096de1bdfd0ba6dac7c47e14e834d9a5d9c508eefeb46181fd: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:
217b2d90a644c7096de1bdfd0ba6dac7c47e14e834d9a5d9c508eefeb46181fd
Status:
ERROR
Block height:
39991107
Block id:
b763242f9ae7f7931a957a9aa9f15adeb0ab31e90667ba94f5814c68fdc91b45
Timestamp:
Sunday 30 October 2022 at 14:12:02 UTC
()
Proposer:
Authorizers:
Gas used:
47