Flow price: --
f801d234245ae220afb71cbf7bd06307606aef639b8bdc50fed50275f4db04ce

Transaction

Hash: f801d234245ae220afb71cbf7bd06307606aef639b8bdc50fed50275f4db04ce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f801d234245ae220afb71cbf7bd06307606aef639b8bdc50fed50275f4db04ce: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:
f801d234245ae220afb71cbf7bd06307606aef639b8bdc50fed50275f4db04ce
Status:
ERROR
Block height:
40160656
Block id:
1f9bff956ad22eb392e28fea40f6875cef21a8dc17896f5177af2d44a9d955d7
Timestamp:
Wednesday 2 November 2022 at 10:34:28 UTC
()
Proposer:
Authorizers:
Gas used:
47