Flow price: --
f3508532bb5da43efb4e2ce6c45ec2b92c124769c09efcc29f6da3d9d5877fb2

Transaction

Hash: f3508532bb5da43efb4e2ce6c45ec2b92c124769c09efcc29f6da3d9d5877fb2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f3508532bb5da43efb4e2ce6c45ec2b92c124769c09efcc29f6da3d9d5877fb2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f3508532bb5da43efb4e2ce6c45ec2b92c124769c09efcc29f6da3d9d5877fb2
Status:
ERROR
Block height:
40079005
Block id:
857e09abc0aa2ab9e8ea97acee771aa0bb4ec56655910489f7deedc83e3dfa23
Timestamp:
Tuesday 1 November 2022 at 01:23:45 UTC
()
Proposer:
Authorizers:
Gas used:
49