Flow price: --
d878341cc8750b87e5f9cfa4cb8c093ff2e4ba8005c30f335da332eed6aeadef

Transaction

Hash: d878341cc8750b87e5f9cfa4cb8c093ff2e4ba8005c30f335da332eed6aeadef
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d878341cc8750b87e5f9cfa4cb8c093ff2e4ba8005c30f335da332eed6aeadef: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:
d878341cc8750b87e5f9cfa4cb8c093ff2e4ba8005c30f335da332eed6aeadef
Status:
ERROR
Block height:
39753604
Block id:
428b7cff97b7d595e8734787bf514f0a498edfdb039067eb936ab1fc414952a6
Timestamp:
Wednesday 26 October 2022 at 14:54:01 UTC
()
Proposer:
Authorizers:
Gas used:
48