Flow price: --
d2e6a8d70b6b4815a5f913476a0b1d3e675eae4562acf7488a6d9e11ddcf1156

Transaction

Hash: d2e6a8d70b6b4815a5f913476a0b1d3e675eae4562acf7488a6d9e11ddcf1156
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d2e6a8d70b6b4815a5f913476a0b1d3e675eae4562acf7488a6d9e11ddcf1156:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d2e6a8d70b6b4815a5f913476a0b1d3e675eae4562acf7488a6d9e11ddcf1156
Status:
ERROR
Block height:
40096319
Block id:
4494fc9bd73afaf93cf1cc7ac257da31cae78167409cb6aaf96b65a71dafabaf
Timestamp:
Tuesday 1 November 2022 at 08:25:36 UTC
()
Proposer:
Authorizers:
Gas used:
46