Flow price: --
4bffa35957d5dc06f74aff17b9aae55b17c9f23c4e9823f9bad7e84747e12559

Transaction

Hash: 4bffa35957d5dc06f74aff17b9aae55b17c9f23c4e9823f9bad7e84747e12559
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4bffa35957d5dc06f74aff17b9aae55b17c9f23c4e9823f9bad7e84747e12559:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4bffa35957d5dc06f74aff17b9aae55b17c9f23c4e9823f9bad7e84747e12559
Status:
ERROR
Block height:
40066058
Block id:
da16a273ec76a9c3a2ef830306943aa0d17988424dbc654311f1ef241e2c3ad4
Timestamp:
Monday 31 October 2022 at 20:15:54 UTC
()
Proposer:
Authorizers:
Gas used:
50