Flow price: --
f7d1754a282f037a70351df8565c95d05393e5b087ab0e00d36a4a8dcbb21841

Transaction

Hash: f7d1754a282f037a70351df8565c95d05393e5b087ab0e00d36a4a8dcbb21841
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f7d1754a282f037a70351df8565c95d05393e5b087ab0e00d36a4a8dcbb21841:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f7d1754a282f037a70351df8565c95d05393e5b087ab0e00d36a4a8dcbb21841
Status:
ERROR
Block height:
40038705
Block id:
bf2820858328376717c5e3a3b770e4148724bb704c38259e33604c38add4128c
Timestamp:
Monday 31 October 2022 at 09:12:40 UTC
()
Proposer:
Authorizers:
Gas used:
50