Flow price: --
721f727a153ece3b6013c03c930c3034a01a1058730254ea88dbe09a00b4368f

Transaction

Hash: 721f727a153ece3b6013c03c930c3034a01a1058730254ea88dbe09a00b4368f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 721f727a153ece3b6013c03c930c3034a01a1058730254ea88dbe09a00b4368f: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:
721f727a153ece3b6013c03c930c3034a01a1058730254ea88dbe09a00b4368f
Status:
ERROR
Block height:
39992553
Block id:
2b365cd1099ea42fd494e305dcb523ec64151dce8f72ca71045321f2df1ebf4e
Timestamp:
Sunday 30 October 2022 at 14:46:50 UTC
()
Proposer:
Authorizers:
Gas used:
48