Flow price: --
fcb383425afc2c4e91a38869cabf6f75392f73d89d78e57601af1d933c463fc8

Transaction

Hash: fcb383425afc2c4e91a38869cabf6f75392f73d89d78e57601af1d933c463fc8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fcb383425afc2c4e91a38869cabf6f75392f73d89d78e57601af1d933c463fc8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fcb383425afc2c4e91a38869cabf6f75392f73d89d78e57601af1d933c463fc8
Status:
ERROR
Block height:
39739023
Block id:
f2c629e1aca5ef63990ae81312fc1bd551901a758650d2545eed75471055d7fd
Timestamp:
Wednesday 26 October 2022 at 09:01:18 UTC
()
Proposer:
Authorizers:
Gas used:
48