Flow price: --
b1023030193f9b50d6ecc6c060dbbea66cab82fe3769fa4a3259f397253006cc

Transaction

Hash: b1023030193f9b50d6ecc6c060dbbea66cab82fe3769fa4a3259f397253006cc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1023030193f9b50d6ecc6c060dbbea66cab82fe3769fa4a3259f397253006cc: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:
b1023030193f9b50d6ecc6c060dbbea66cab82fe3769fa4a3259f397253006cc
Status:
ERROR
Block height:
40094983
Block id:
aea83290e5102df168097fcb38f93dd28fff0007d498e1a90fe2dfeca18446ac
Timestamp:
Tuesday 1 November 2022 at 07:53:00 UTC
()
Proposer:
Authorizers:
Gas used:
46