Flow price: --
d588e3b21e1b16c40ac2e75816e0cd275047a37754742435ce3462048c9ea1c7

Transaction

Hash: d588e3b21e1b16c40ac2e75816e0cd275047a37754742435ce3462048c9ea1c7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d588e3b21e1b16c40ac2e75816e0cd275047a37754742435ce3462048c9ea1c7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d588e3b21e1b16c40ac2e75816e0cd275047a37754742435ce3462048c9ea1c7
Status:
ERROR
Block height:
40137673
Block id:
b2f324dcf59afe87df9eec6e0bdd2ffa380761e4067da0266f76a8108c7cc580
Timestamp:
Wednesday 2 November 2022 at 01:14:01 UTC
()
Proposer:
Authorizers:
Gas used:
50