Flow price: --
f9c71f8623e2004b6eb665c74b9a9ecdff15db4454bec69d9baf2ff7416fa594

Transaction

Hash: f9c71f8623e2004b6eb665c74b9a9ecdff15db4454bec69d9baf2ff7416fa594
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f9c71f8623e2004b6eb665c74b9a9ecdff15db4454bec69d9baf2ff7416fa594:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f9c71f8623e2004b6eb665c74b9a9ecdff15db4454bec69d9baf2ff7416fa594
Status:
ERROR
Block height:
39851683
Block id:
5a6da17bff90475d9872f7dd6bc0fab6bfa1aded0efb7475f9f188a4e8410b2e
Timestamp:
Friday 28 October 2022 at 06:26:43 UTC
()
Proposer:
Authorizers:
Gas used:
47