Flow price: --
3f24a45d776b156eac59f0d0701aa8c17d3eec327fb2e0f10491acad6675c760

Transaction

Hash: 3f24a45d776b156eac59f0d0701aa8c17d3eec327fb2e0f10491acad6675c760
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f24a45d776b156eac59f0d0701aa8c17d3eec327fb2e0f10491acad6675c760:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3f24a45d776b156eac59f0d0701aa8c17d3eec327fb2e0f10491acad6675c760
Status:
ERROR
Block height:
40024017
Block id:
a20b58760e35470cb283747c79f2de5370eb916abe6245cd36c5b4a2b47e47cd
Timestamp:
Monday 31 October 2022 at 03:18:21 UTC
()
Proposer:
Authorizers:
Gas used:
47