Flow price: --
7a77a320444bfe5e9896a359d8d6ca8dae13e27a6068ffd46f788791ba1c164f

Transaction

Hash: 7a77a320444bfe5e9896a359d8d6ca8dae13e27a6068ffd46f788791ba1c164f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7a77a320444bfe5e9896a359d8d6ca8dae13e27a6068ffd46f788791ba1c164f: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:
7a77a320444bfe5e9896a359d8d6ca8dae13e27a6068ffd46f788791ba1c164f
Status:
ERROR
Block height:
40039207
Block id:
13b4232f0383ccab2fcc14880e4f6ddf93ca6adca12d21f0ad8c970f98f48529
Timestamp:
Monday 31 October 2022 at 09:24:43 UTC
()
Proposer:
Authorizers:
Gas used:
50