Flow price: --
f8598b763d60d6d094fc5252162a1242b979e364db30c1bb47009a99153a0f10

Transaction

Hash: f8598b763d60d6d094fc5252162a1242b979e364db30c1bb47009a99153a0f10
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f8598b763d60d6d094fc5252162a1242b979e364db30c1bb47009a99153a0f10:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f8598b763d60d6d094fc5252162a1242b979e364db30c1bb47009a99153a0f10
Status:
ERROR
Block height:
40062418
Block id:
4e2569e39f0993f3a7ac4c8b1137144c18aacd312f2d1995edc68711ed7fcc66
Timestamp:
Monday 31 October 2022 at 18:48:01 UTC
()
Proposer:
Authorizers:
Gas used:
49