Flow price: --
011329fb464b3aff94f417bd1a1b8b3fef71f71044a943e0f8532111cee853fd

Transaction

Hash: 011329fb464b3aff94f417bd1a1b8b3fef71f71044a943e0f8532111cee853fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 011329fb464b3aff94f417bd1a1b8b3fef71f71044a943e0f8532111cee853fd: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:
011329fb464b3aff94f417bd1a1b8b3fef71f71044a943e0f8532111cee853fd
Status:
ERROR
Block height:
40027420
Block id:
078926f807af9892a305949a699c991e7f9f3df36d638817d03f562dd4674c81
Timestamp:
Monday 31 October 2022 at 04:40:27 UTC
()
Proposer:
Authorizers:
Gas used:
49