Flow price: --
23d79fd1914030ded109888845e55a526f1090f6eabcb9e4f7c2e664870bcfa0

Transaction

Hash: 23d79fd1914030ded109888845e55a526f1090f6eabcb9e4f7c2e664870bcfa0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 23d79fd1914030ded109888845e55a526f1090f6eabcb9e4f7c2e664870bcfa0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
23d79fd1914030ded109888845e55a526f1090f6eabcb9e4f7c2e664870bcfa0
Status:
ERROR
Block height:
40143683
Block id:
fbb3ca76b17d4fed721e27914dfada4416e4e69f457bae2616dff67bfec16e2b
Timestamp:
Wednesday 2 November 2022 at 03:40:03 UTC
()
Proposer:
Authorizers:
Gas used:
49