Flow price: --
a4cbcecaaee80e729d9f261b28b88ac19187817cbd0e0e953bdd1cf99e89a721

Transaction

Hash: a4cbcecaaee80e729d9f261b28b88ac19187817cbd0e0e953bdd1cf99e89a721
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a4cbcecaaee80e729d9f261b28b88ac19187817cbd0e0e953bdd1cf99e89a721:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a4cbcecaaee80e729d9f261b28b88ac19187817cbd0e0e953bdd1cf99e89a721
Status:
ERROR
Block height:
40045055
Block id:
9bb2753b4fb9bfbed9d3986260ab14628092e5ca66444be64bb2b0a8251ca908
Timestamp:
Monday 31 October 2022 at 11:46:23 UTC
()
Proposer:
Authorizers:
Gas used:
47