Flow price: --
f86b78599a0b57744dd818289830328c0d4837ad990f2c34a36a9b89c5fa06f6

Transaction

Hash: f86b78599a0b57744dd818289830328c0d4837ad990f2c34a36a9b89c5fa06f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f86b78599a0b57744dd818289830328c0d4837ad990f2c34a36a9b89c5fa06f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f86b78599a0b57744dd818289830328c0d4837ad990f2c34a36a9b89c5fa06f6
Status:
ERROR
Block height:
39936720
Block id:
fcc474a40510a274f7a3669881464464c02b7e9bbeb3d9be5bbcf06f924576ea
Timestamp:
Saturday 29 October 2022 at 16:32:46 UTC
()
Proposer:
Authorizers:
Gas used:
59