Flow price: --
57e7b9573a50bf349a10813c305d9922a1e208dd4f36f0a8f2722c317bc73869

Transaction

Hash: 57e7b9573a50bf349a10813c305d9922a1e208dd4f36f0a8f2722c317bc73869
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 57e7b9573a50bf349a10813c305d9922a1e208dd4f36f0a8f2722c317bc73869:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
57e7b9573a50bf349a10813c305d9922a1e208dd4f36f0a8f2722c317bc73869
Status:
ERROR
Block height:
39992710
Block id:
d0a54887960d84de829ae1adf35c2d705dbc330067b32be3b95916eb5f33d1d2
Timestamp:
Sunday 30 October 2022 at 14:50:36 UTC
()
Proposer:
Authorizers:
Gas used:
50