Flow price: --
5f18d01f37dd15ccafed778225b924a94e3abff879bf938a1208cd1b001ac41d

Transaction

Hash: 5f18d01f37dd15ccafed778225b924a94e3abff879bf938a1208cd1b001ac41d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5f18d01f37dd15ccafed778225b924a94e3abff879bf938a1208cd1b001ac41d: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:
5f18d01f37dd15ccafed778225b924a94e3abff879bf938a1208cd1b001ac41d
Status:
ERROR
Block height:
40150876
Block id:
cead586a478592a161a97f67aea480d5903ac8682168b1eaa6ec0ee04e5c6010
Timestamp:
Wednesday 2 November 2022 at 06:35:43 UTC
()
Proposer:
Authorizers:
Gas used:
48