Flow price: --
3236b536ad6cb96f1cacfd46bb562d0da858a3d7ca8eb56a47b8f3b4b2f6d04c

Transaction

Hash: 3236b536ad6cb96f1cacfd46bb562d0da858a3d7ca8eb56a47b8f3b4b2f6d04c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3236b536ad6cb96f1cacfd46bb562d0da858a3d7ca8eb56a47b8f3b4b2f6d04c: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:
3236b536ad6cb96f1cacfd46bb562d0da858a3d7ca8eb56a47b8f3b4b2f6d04c
Status:
ERROR
Block height:
40054719
Block id:
daf0beb5598912121afa0189eed284cc927063ce696e26957acc44b7a70077d6
Timestamp:
Monday 31 October 2022 at 15:40:48 UTC
()
Proposer:
Authorizers:
Gas used:
48