Flow price: --
20acb9cbde4ff979687e49143d6dc9c8528f157fcbb9eb91a591c6648318e4b8

Transaction

Hash: 20acb9cbde4ff979687e49143d6dc9c8528f157fcbb9eb91a591c6648318e4b8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 20acb9cbde4ff979687e49143d6dc9c8528f157fcbb9eb91a591c6648318e4b8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
20acb9cbde4ff979687e49143d6dc9c8528f157fcbb9eb91a591c6648318e4b8
Status:
ERROR
Block height:
39944427
Block id:
2b92b15daad4a3a96387f1962e0f46a43fc65c04b017ce8a1ee34fc6668f1d0d
Timestamp:
Saturday 29 October 2022 at 19:37:42 UTC
()
Proposer:
Authorizers:
Gas used:
46