Flow price: --
16eff7ad37eb017130b3087d7e327eec6e862b8fc56d294772e9c096c4ac9eaa

Transaction

Hash: 16eff7ad37eb017130b3087d7e327eec6e862b8fc56d294772e9c096c4ac9eaa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 16eff7ad37eb017130b3087d7e327eec6e862b8fc56d294772e9c096c4ac9eaa: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:
16eff7ad37eb017130b3087d7e327eec6e862b8fc56d294772e9c096c4ac9eaa
Status:
ERROR
Block height:
40171301
Block id:
07578ccaa9bacab2e6466f6016c3babb65802c536660343d5574e07f99e4fdcf
Timestamp:
Wednesday 2 November 2022 at 14:51:59 UTC
()
Proposer:
Authorizers:
Gas used:
47