Flow price: --
454a7c8e272020b24bffcdc97e05958c86eb641aa15e4b7e196e193ccd8eed01

Transaction

Hash: 454a7c8e272020b24bffcdc97e05958c86eb641aa15e4b7e196e193ccd8eed01
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 454a7c8e272020b24bffcdc97e05958c86eb641aa15e4b7e196e193ccd8eed01:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
454a7c8e272020b24bffcdc97e05958c86eb641aa15e4b7e196e193ccd8eed01
Status:
ERROR
Block height:
40147911
Block id:
b840c98a92623f7d521aa6b61e547b362af42f8ba837069933404aabf778d285
Timestamp:
Wednesday 2 November 2022 at 05:23:06 UTC
()
Proposer:
Authorizers:
Gas used:
48