Flow price: --
7b9185c182e6dcbba74b134da7c47a5eb6365a55b3ef84af7b6bae4ef97eef08

Transaction

Hash: 7b9185c182e6dcbba74b134da7c47a5eb6365a55b3ef84af7b6bae4ef97eef08
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7b9185c182e6dcbba74b134da7c47a5eb6365a55b3ef84af7b6bae4ef97eef08:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7b9185c182e6dcbba74b134da7c47a5eb6365a55b3ef84af7b6bae4ef97eef08
Status:
ERROR
Block height:
40058469
Block id:
d18f045dbc0f2ef42e2723015aa2fda8b2831ebb2b3dd04f0981ff4b5ba8d7e7
Timestamp:
Monday 31 October 2022 at 17:12:39 UTC
()
Proposer:
Authorizers:
Gas used:
48