Flow price: --
16f3be8e45cd1b6f4e1212c60a53c10675b14f180bb4c57ba4fd617be5691b0d

Transaction

Hash: 16f3be8e45cd1b6f4e1212c60a53c10675b14f180bb4c57ba4fd617be5691b0d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 16f3be8e45cd1b6f4e1212c60a53c10675b14f180bb4c57ba4fd617be5691b0d: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:
16f3be8e45cd1b6f4e1212c60a53c10675b14f180bb4c57ba4fd617be5691b0d
Status:
ERROR
Block height:
39760139
Block id:
5f257647c050e13914d3b8bbe1c257a5c8f2253fe0796a8e4acc40939886017c
Timestamp:
Wednesday 26 October 2022 at 17:31:57 UTC
()
Proposer:
Authorizers:
Gas used:
50