Flow price: --
1d49dee3fe85a5a3d38e5d2709c88f75eeac1d826caeec7a42ad82b030d5deb3

Transaction

Hash: 1d49dee3fe85a5a3d38e5d2709c88f75eeac1d826caeec7a42ad82b030d5deb3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1d49dee3fe85a5a3d38e5d2709c88f75eeac1d826caeec7a42ad82b030d5deb3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1d49dee3fe85a5a3d38e5d2709c88f75eeac1d826caeec7a42ad82b030d5deb3
Status:
ERROR
Block height:
40107976
Block id:
783ac18990f11676fd76e73d7148f193e132774a52efe321e4f5d5af51c82103
Timestamp:
Tuesday 1 November 2022 at 13:08:42 UTC
()
Proposer:
Authorizers:
Gas used:
47