Flow price: --
192375495a90d221a82b6f10ad8dc383a6a04a044d15cfdd9979c067cb6388be

Transaction

Hash: 192375495a90d221a82b6f10ad8dc383a6a04a044d15cfdd9979c067cb6388be
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 192375495a90d221a82b6f10ad8dc383a6a04a044d15cfdd9979c067cb6388be: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:
192375495a90d221a82b6f10ad8dc383a6a04a044d15cfdd9979c067cb6388be
Status:
ERROR
Block height:
39800907
Block id:
1151795cc6021a973923c7a6d18c960f90b561ed9da78ae9868bc333e7e97295
Timestamp:
Thursday 27 October 2022 at 09:57:20 UTC
()
Proposer:
Authorizers:
Gas used:
47