Flow price: --
4d7370da21eb04b2d7cff0f02b5cd46c69bf37a77d83b477d67d6a4eec477eab

Transaction

Hash: 4d7370da21eb04b2d7cff0f02b5cd46c69bf37a77d83b477d67d6a4eec477eab
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4d7370da21eb04b2d7cff0f02b5cd46c69bf37a77d83b477d67d6a4eec477eab: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:
4d7370da21eb04b2d7cff0f02b5cd46c69bf37a77d83b477d67d6a4eec477eab
Status:
ERROR
Block height:
40156873
Block id:
9e6546fa52e94c3f6a767f11f83e8bf146ae1e99333e49cda9464f3610c13a54
Timestamp:
Wednesday 2 November 2022 at 09:02:26 UTC
()
Proposer:
Authorizers:
Gas used:
50