Flow price: --
4f100e936e9d36539865be35088e3d781f7fc66d0dd8a03b348e19b0caa84701

Transaction

Hash: 4f100e936e9d36539865be35088e3d781f7fc66d0dd8a03b348e19b0caa84701
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4f100e936e9d36539865be35088e3d781f7fc66d0dd8a03b348e19b0caa84701:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4f100e936e9d36539865be35088e3d781f7fc66d0dd8a03b348e19b0caa84701
Status:
ERROR
Block height:
39780361
Block id:
6d80f1e130b9c69a8267a96d14406e76f503483235df8c80157d02ba43d27b23
Timestamp:
Thursday 27 October 2022 at 01:40:32 UTC
()
Proposer:
Authorizers:
Gas used:
46