Flow price: --
90dc6097248a6d099bbccdae72b4a19d8c8227284f7e9c359fa3454eee17fcca

Transaction

Hash: 90dc6097248a6d099bbccdae72b4a19d8c8227284f7e9c359fa3454eee17fcca
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 90dc6097248a6d099bbccdae72b4a19d8c8227284f7e9c359fa3454eee17fcca: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:
90dc6097248a6d099bbccdae72b4a19d8c8227284f7e9c359fa3454eee17fcca
Status:
ERROR
Block height:
39865897
Block id:
e74abf9a491ea6e7a56505695ae2094304e1fc83356ebe627fa20e3007e2a5f0
Timestamp:
Friday 28 October 2022 at 12:11:15 UTC
()
Proposer:
Authorizers:
Gas used:
48