Flow price: --
851be9fe25967d6a1e839d80031d3b000a75bf48498ccf2a9013b2b9be579f62

Transaction

Hash: 851be9fe25967d6a1e839d80031d3b000a75bf48498ccf2a9013b2b9be579f62
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 851be9fe25967d6a1e839d80031d3b000a75bf48498ccf2a9013b2b9be579f62:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
851be9fe25967d6a1e839d80031d3b000a75bf48498ccf2a9013b2b9be579f62
Status:
ERROR
Block height:
40130044
Block id:
16980a4468e4fbaeda2084214edb304575bd8835b9efdf8d297f44abaf6cf4b3
Timestamp:
Tuesday 1 November 2022 at 22:07:39 UTC
()
Proposer:
Authorizers:
Gas used:
50