Flow price: --
8ea579c0ba6637976f473dcfb272e76cb30efce550f5a63e8d12f633ecb2f1aa

Transaction

Hash: 8ea579c0ba6637976f473dcfb272e76cb30efce550f5a63e8d12f633ecb2f1aa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8ea579c0ba6637976f473dcfb272e76cb30efce550f5a63e8d12f633ecb2f1aa: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:
8ea579c0ba6637976f473dcfb272e76cb30efce550f5a63e8d12f633ecb2f1aa
Status:
ERROR
Block height:
39988912
Block id:
e984f62466ba021a71b784bf80b6b764bc218680c8a34c3c54ec70bd545d04a3
Timestamp:
Sunday 30 October 2022 at 13:19:31 UTC
()
Proposer:
Authorizers:
Gas used:
47