Flow price: --
545cf9db1e689996c7f65dbffffca737f631990efb3bd142d0ba4a9378a4cc8d

Transaction

Hash: 545cf9db1e689996c7f65dbffffca737f631990efb3bd142d0ba4a9378a4cc8d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 545cf9db1e689996c7f65dbffffca737f631990efb3bd142d0ba4a9378a4cc8d: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:
545cf9db1e689996c7f65dbffffca737f631990efb3bd142d0ba4a9378a4cc8d
Status:
ERROR
Block height:
40097739
Block id:
23938578c1d5f51ca3f0ca4c0c0d7014d54ae7f1be0b22889a05f6268e69ff8b
Timestamp:
Tuesday 1 November 2022 at 09:00:19 UTC
()
Proposer:
Authorizers:
Gas used:
48