Flow price: --
f1916f321a0cfa11cc729757abee8b6b6e2e2b8604c43a3f7616a0d87485da28

Transaction

Hash: f1916f321a0cfa11cc729757abee8b6b6e2e2b8604c43a3f7616a0d87485da28
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f1916f321a0cfa11cc729757abee8b6b6e2e2b8604c43a3f7616a0d87485da28:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f1916f321a0cfa11cc729757abee8b6b6e2e2b8604c43a3f7616a0d87485da28
Status:
ERROR
Block height:
39855991
Block id:
b46048798d4ca7bf2ec406a8d34878639431416ca8e81e8fe3f18b8e7638ae09
Timestamp:
Friday 28 October 2022 at 08:12:23 UTC
()
Proposer:
Authorizers:
Gas used:
46