Flow price: --
798479a226bb53fda1d38052c7e0a5ac7991d91b5375297f1a82bc64ff897f24

Transaction

Hash: 798479a226bb53fda1d38052c7e0a5ac7991d91b5375297f1a82bc64ff897f24
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 798479a226bb53fda1d38052c7e0a5ac7991d91b5375297f1a82bc64ff897f24:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
798479a226bb53fda1d38052c7e0a5ac7991d91b5375297f1a82bc64ff897f24
Status:
ERROR
Block height:
40084720
Block id:
ad80286aa99c6f4d2d86f6dd4d16895a827db72f56078edbacf02b1f8dff67e0
Timestamp:
Tuesday 1 November 2022 at 03:42:18 UTC
()
Proposer:
Authorizers:
Gas used:
47