Flow price: --
9587264ad1f5066f44e8c974fca8ba1d82eb751a079fdaa073e9ed47e4f24316

Transaction

Hash: 9587264ad1f5066f44e8c974fca8ba1d82eb751a079fdaa073e9ed47e4f24316
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9587264ad1f5066f44e8c974fca8ba1d82eb751a079fdaa073e9ed47e4f24316:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9587264ad1f5066f44e8c974fca8ba1d82eb751a079fdaa073e9ed47e4f24316
Status:
ERROR
Block height:
40108343
Block id:
205455210baf5b9c5e6efa9ca3db69f9681073c0259f29baae39aea030ae6ecb
Timestamp:
Tuesday 1 November 2022 at 13:17:37 UTC
()
Proposer:
Authorizers:
Gas used:
47