Flow price: --
ff34a735cf2cb3a74b225382cc6f308f058b07a7775b1d337a8a04b83ae30181

Transaction

Hash: ff34a735cf2cb3a74b225382cc6f308f058b07a7775b1d337a8a04b83ae30181
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ff34a735cf2cb3a74b225382cc6f308f058b07a7775b1d337a8a04b83ae30181:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ff34a735cf2cb3a74b225382cc6f308f058b07a7775b1d337a8a04b83ae30181
Status:
ERROR
Block height:
39976654
Block id:
722de1f876361827d9f66a2dbc2dddc22ddf31ec46075e8d4f8bd03843cc82b4
Timestamp:
Sunday 30 October 2022 at 08:25:44 UTC
()
Proposer:
Authorizers:
Gas used:
50