Flow price: --
78ee1875e5288f1b9cea708cf5f6a48565c3cc6abe0fa99efb4fedbf356b91c1

Transaction

Hash: 78ee1875e5288f1b9cea708cf5f6a48565c3cc6abe0fa99efb4fedbf356b91c1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 78ee1875e5288f1b9cea708cf5f6a48565c3cc6abe0fa99efb4fedbf356b91c1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
78ee1875e5288f1b9cea708cf5f6a48565c3cc6abe0fa99efb4fedbf356b91c1
Status:
ERROR
Block height:
39857803
Block id:
bcae4159edd971114841a27b45220c1d74f6fa05b91c101c9ffe3dbd0f37f9c0
Timestamp:
Friday 28 October 2022 at 08:56:13 UTC
()
Proposer:
Authorizers:
Gas used:
47