Flow price: --
ffc7456b30f3069b65a6029a2ab01e91272ab2b4daa072d8e32892101172f9f0

Transaction

Hash: ffc7456b30f3069b65a6029a2ab01e91272ab2b4daa072d8e32892101172f9f0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ffc7456b30f3069b65a6029a2ab01e91272ab2b4daa072d8e32892101172f9f0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ffc7456b30f3069b65a6029a2ab01e91272ab2b4daa072d8e32892101172f9f0
Status:
ERROR
Block height:
40161764
Block id:
8ffcfe37a4776cecd025261030af5c73dbd2168ff34d014f305bdc44713f8c9c
Timestamp:
Wednesday 2 November 2022 at 11:01:21 UTC
()
Proposer:
Authorizers:
Gas used:
47