Flow price: --
a510068cb178ecf2d16a4acb3c37176432ee4a3b4ed8d1c108669cc0360cd742

Transaction

Hash: a510068cb178ecf2d16a4acb3c37176432ee4a3b4ed8d1c108669cc0360cd742
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a510068cb178ecf2d16a4acb3c37176432ee4a3b4ed8d1c108669cc0360cd742:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a510068cb178ecf2d16a4acb3c37176432ee4a3b4ed8d1c108669cc0360cd742
Status:
ERROR
Block height:
39991966
Block id:
2ab124a2758a71d3046a3a2c86516825589d4f92d3f901bc62a31b9eaafbba3d
Timestamp:
Sunday 30 October 2022 at 14:32:43 UTC
()
Proposer:
Authorizers:
Gas used:
48