Flow price: --
71cddf2c2da78936f1ad6585207244b4e76619651887c018a9416e3a99767377

Transaction

Hash: 71cddf2c2da78936f1ad6585207244b4e76619651887c018a9416e3a99767377
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71cddf2c2da78936f1ad6585207244b4e76619651887c018a9416e3a99767377:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
71cddf2c2da78936f1ad6585207244b4e76619651887c018a9416e3a99767377
Status:
ERROR
Block height:
40085551
Block id:
3b557905642fc591aa9fdeedf390dce6b267f9a5fee059b5ccbbdb6861de1499
Timestamp:
Tuesday 1 November 2022 at 04:02:51 UTC
()
Proposer:
Authorizers:
Gas used:
46