Flow price: --
20764f3da4e69b86c164d86c632692f2ed5e6e04bdcff4abc5c1fc04fa58acc5

Transaction

Hash: 20764f3da4e69b86c164d86c632692f2ed5e6e04bdcff4abc5c1fc04fa58acc5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 20764f3da4e69b86c164d86c632692f2ed5e6e04bdcff4abc5c1fc04fa58acc5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
20764f3da4e69b86c164d86c632692f2ed5e6e04bdcff4abc5c1fc04fa58acc5
Status:
ERROR
Block height:
40141371
Block id:
a3744e3fa10c30a26156d24d9ddd03bddb78404807a0a3ddaf9271e99e447911
Timestamp:
Wednesday 2 November 2022 at 02:44:09 UTC
()
Proposer:
Authorizers:
Gas used:
46