Flow price: --
812c979211392145f0e3f3b19d55a627ad8c041ca05b3f26ed7b9cc52eb4b753

Transaction

Hash: 812c979211392145f0e3f3b19d55a627ad8c041ca05b3f26ed7b9cc52eb4b753
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 812c979211392145f0e3f3b19d55a627ad8c041ca05b3f26ed7b9cc52eb4b753:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
812c979211392145f0e3f3b19d55a627ad8c041ca05b3f26ed7b9cc52eb4b753
Status:
ERROR
Block height:
39886070
Block id:
c0a4c38bdd74b0c2268d7071dbee42099243772813a5db8ed3d408ad04b44263
Timestamp:
Friday 28 October 2022 at 20:14:28 UTC
()
Proposer:
Authorizers:
Gas used:
46