Flow price: --
9c6ee818be91b8e83a023c483d9dac4d885a7785d3a8e086ca7a03e3bb80a503

Transaction

Hash: 9c6ee818be91b8e83a023c483d9dac4d885a7785d3a8e086ca7a03e3bb80a503
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c6ee818be91b8e83a023c483d9dac4d885a7785d3a8e086ca7a03e3bb80a503:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9c6ee818be91b8e83a023c483d9dac4d885a7785d3a8e086ca7a03e3bb80a503
Status:
ERROR
Block height:
39784509
Block id:
f6fb63a6d7ff00a4b91561cacec8b2a80688efce1cdce2a19daf128250063d0e
Timestamp:
Thursday 27 October 2022 at 03:21:03 UTC
()
Proposer:
Authorizers:
Gas used:
47