Flow price: --
071bf216bc157a7913b9a1d3fdafd0345113bc3159975f2769d224bb2524e578

Transaction

Hash: 071bf216bc157a7913b9a1d3fdafd0345113bc3159975f2769d224bb2524e578
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 071bf216bc157a7913b9a1d3fdafd0345113bc3159975f2769d224bb2524e578:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
071bf216bc157a7913b9a1d3fdafd0345113bc3159975f2769d224bb2524e578
Status:
ERROR
Block height:
39991612
Block id:
59a5364b24f42fcf1c5e316eb3d0e7b813087d27ee5e6d4e32c5f443975c0050
Timestamp:
Sunday 30 October 2022 at 14:24:07 UTC
()
Proposer:
Authorizers:
Gas used:
46