Flow price: --
405a4507eba31ca1ad9d53374b8789afbe154e437aaa14f7aa4175f9055abe63

Transaction

Hash: 405a4507eba31ca1ad9d53374b8789afbe154e437aaa14f7aa4175f9055abe63
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 405a4507eba31ca1ad9d53374b8789afbe154e437aaa14f7aa4175f9055abe63:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
405a4507eba31ca1ad9d53374b8789afbe154e437aaa14f7aa4175f9055abe63
Status:
ERROR
Block height:
39752102
Block id:
8e0fabeda18d6015804d8309cc4bc2c40c27a715251f3e103175f62a27914f03
Timestamp:
Wednesday 26 October 2022 at 14:17:33 UTC
()
Proposer:
Authorizers:
Gas used:
46