Flow price: --
819a3bd858a14551ea6d6fc7dd46b92a6d68005022f47a15533fce7676a24da0

Transaction

Hash: 819a3bd858a14551ea6d6fc7dd46b92a6d68005022f47a15533fce7676a24da0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 819a3bd858a14551ea6d6fc7dd46b92a6d68005022f47a15533fce7676a24da0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
819a3bd858a14551ea6d6fc7dd46b92a6d68005022f47a15533fce7676a24da0
Status:
ERROR
Block height:
39859614
Block id:
6d069db8501f84565a8597f1d8f7fe9779327e60be6d6bdd83a977f3b7e6b9d3
Timestamp:
Friday 28 October 2022 at 09:39:16 UTC
()
Proposer:
Authorizers:
Gas used:
48