Flow price: --
b880db278e33c7cfd805c09a24c8f1b268c6a207f272b6ba05d6129eaac9da70

Transaction

Hash: b880db278e33c7cfd805c09a24c8f1b268c6a207f272b6ba05d6129eaac9da70
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b880db278e33c7cfd805c09a24c8f1b268c6a207f272b6ba05d6129eaac9da70:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b880db278e33c7cfd805c09a24c8f1b268c6a207f272b6ba05d6129eaac9da70
Status:
ERROR
Block height:
40026253
Block id:
08a034b9a70d30456034f306830151b47db382ebb9819f084a4ea91c60728141
Timestamp:
Monday 31 October 2022 at 04:11:59 UTC
()
Proposer:
Authorizers:
Gas used:
47