Flow price: --
209690270bd40c0d10e25b5eb5dc3d0a8a42d2e8bd645e53ba054994af41ef70

Transaction

Hash: 209690270bd40c0d10e25b5eb5dc3d0a8a42d2e8bd645e53ba054994af41ef70
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 209690270bd40c0d10e25b5eb5dc3d0a8a42d2e8bd645e53ba054994af41ef70:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
209690270bd40c0d10e25b5eb5dc3d0a8a42d2e8bd645e53ba054994af41ef70
Status:
ERROR
Block height:
40052977
Block id:
7d476fe13f009d08d436bb014ad899c0fb89210abc22f0efdff9c8e79283226e
Timestamp:
Monday 31 October 2022 at 14:58:20 UTC
()
Proposer:
Authorizers:
Gas used:
48