Flow price: --
990ef26e6d35258212a1436da22c06b87a26f3963de720da3a75a2f7008e1988

Transaction

Hash: 990ef26e6d35258212a1436da22c06b87a26f3963de720da3a75a2f7008e1988
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 990ef26e6d35258212a1436da22c06b87a26f3963de720da3a75a2f7008e1988:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
990ef26e6d35258212a1436da22c06b87a26f3963de720da3a75a2f7008e1988
Status:
ERROR
Block height:
39997691
Block id:
8ba74eae5802592ac6a1bb02fd7f6b4cb44045c6c1fed314f0dc8e57f7cef30f
Timestamp:
Sunday 30 October 2022 at 16:50:13 UTC
()
Proposer:
Authorizers:
Gas used:
46