Flow price: --
dc8522fed21d9041a0e8a6cf252c0a040bc0132e20162a1825a20fc1073c5cb2

Transaction

Hash: dc8522fed21d9041a0e8a6cf252c0a040bc0132e20162a1825a20fc1073c5cb2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dc8522fed21d9041a0e8a6cf252c0a040bc0132e20162a1825a20fc1073c5cb2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dc8522fed21d9041a0e8a6cf252c0a040bc0132e20162a1825a20fc1073c5cb2
Status:
ERROR
Block height:
40108196
Block id:
d7961073736746b9bd69ca119c5400fd5c326425f98abe28695e98556864541e
Timestamp:
Tuesday 1 November 2022 at 13:14:01 UTC
()
Proposer:
Authorizers:
Gas used:
47