Flow price: --
1d8b9bd7cfd664d9e0eb212f771dd9c91b9a2294b0e1d7be9ecfb30a8e6b758a

Transaction

Hash: 1d8b9bd7cfd664d9e0eb212f771dd9c91b9a2294b0e1d7be9ecfb30a8e6b758a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1d8b9bd7cfd664d9e0eb212f771dd9c91b9a2294b0e1d7be9ecfb30a8e6b758a: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:
1d8b9bd7cfd664d9e0eb212f771dd9c91b9a2294b0e1d7be9ecfb30a8e6b758a
Status:
ERROR
Block height:
40035273
Block id:
858cbd7d6f97280b9551a32a314620c61d72689c8cd9cf40e09da29a8d599935
Timestamp:
Monday 31 October 2022 at 07:49:58 UTC
()
Proposer:
Authorizers:
Gas used:
47