Flow price: --
194f4ff82c1298c2280b02c43ea40c0c949e3cbf5a33353ca11ff8eb64af35eb

Transaction

Hash: 194f4ff82c1298c2280b02c43ea40c0c949e3cbf5a33353ca11ff8eb64af35eb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 194f4ff82c1298c2280b02c43ea40c0c949e3cbf5a33353ca11ff8eb64af35eb: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:
194f4ff82c1298c2280b02c43ea40c0c949e3cbf5a33353ca11ff8eb64af35eb
Status:
ERROR
Block height:
40129998
Block id:
f888093ab9e227b72f4e38ee96daef49bd603bdb28798b5b9190896ecad0964a
Timestamp:
Tuesday 1 November 2022 at 22:06:36 UTC
()
Proposer:
Authorizers:
Gas used:
47