Flow price: --
f370da4858ef9e3a40a9cd1f3316aaa5a983007e8a50840e291d1fa242f100c1

Transaction

Hash: f370da4858ef9e3a40a9cd1f3316aaa5a983007e8a50840e291d1fa242f100c1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f370da4858ef9e3a40a9cd1f3316aaa5a983007e8a50840e291d1fa242f100c1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f370da4858ef9e3a40a9cd1f3316aaa5a983007e8a50840e291d1fa242f100c1
Status:
ERROR
Block height:
40150188
Block id:
a7be072a1e06cf7aa0cafafe3f08a487f94bcb12de898c11415abeb2f88528aa
Timestamp:
Wednesday 2 November 2022 at 06:18:52 UTC
()
Proposer:
Authorizers:
Gas used:
50