Flow price: --
a033580676ab0b2194af37a5eb4e515d7f8c9bb5a328139889da8b146677499b

Transaction

Hash: a033580676ab0b2194af37a5eb4e515d7f8c9bb5a328139889da8b146677499b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a033580676ab0b2194af37a5eb4e515d7f8c9bb5a328139889da8b146677499b: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:
a033580676ab0b2194af37a5eb4e515d7f8c9bb5a328139889da8b146677499b
Status:
ERROR
Block height:
40029833
Block id:
32ee93dfec753c4b6f46c2b14bdc4d4f989e4c2754bc2fb13a274e9355589c03
Timestamp:
Monday 31 October 2022 at 05:39:20 UTC
()
Proposer:
Authorizers:
Gas used:
47