Flow price: --
926e0a854a419d8bd0b360ada5d9a94506b72f67f10e8429ff5877d6fba98407

Transaction

Hash: 926e0a854a419d8bd0b360ada5d9a94506b72f67f10e8429ff5877d6fba98407
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 926e0a854a419d8bd0b360ada5d9a94506b72f67f10e8429ff5877d6fba98407:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
926e0a854a419d8bd0b360ada5d9a94506b72f67f10e8429ff5877d6fba98407
Status:
ERROR
Block height:
39926429
Block id:
01556135738576fcd86f4aa3218e21cf72a4857cc22537da5b5bc1e529caaf6f
Timestamp:
Saturday 29 October 2022 at 12:22:26 UTC
()
Proposer:
Authorizers:
Gas used:
47