Flow price: --
4d5c5b24e6d7bc77321768c6804968a14b00d3e061085d966dec8034cd6aaa60

Transaction

Hash: 4d5c5b24e6d7bc77321768c6804968a14b00d3e061085d966dec8034cd6aaa60
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4d5c5b24e6d7bc77321768c6804968a14b00d3e061085d966dec8034cd6aaa60:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4d5c5b24e6d7bc77321768c6804968a14b00d3e061085d966dec8034cd6aaa60
Status:
ERROR
Block height:
40127570
Block id:
4b503269c519ee421525957ceda1202398a477592fa72083cb875f0c5bde1623
Timestamp:
Tuesday 1 November 2022 at 21:06:36 UTC
()
Proposer:
Authorizers:
Gas used:
47