Flow price: --
6d7cf1254c517c918f04cc979536756be4687e1e959c2de64f6c287a0139e18c

Transaction

Hash: 6d7cf1254c517c918f04cc979536756be4687e1e959c2de64f6c287a0139e18c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6d7cf1254c517c918f04cc979536756be4687e1e959c2de64f6c287a0139e18c: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:
6d7cf1254c517c918f04cc979536756be4687e1e959c2de64f6c287a0139e18c
Status:
ERROR
Block height:
39867506
Block id:
d75b483f40c55692140a6d6109bb56a6d79472a619362fbdfb6e9e9b0a45ad71
Timestamp:
Friday 28 October 2022 at 12:49:42 UTC
()
Proposer:
Authorizers:
Gas used:
47