Flow price: --
c15c4914d35af006d4d5eb9bd95f77fe6958700a827d5a52f9de88be97afa494

Transaction

Hash: c15c4914d35af006d4d5eb9bd95f77fe6958700a827d5a52f9de88be97afa494
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c15c4914d35af006d4d5eb9bd95f77fe6958700a827d5a52f9de88be97afa494:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c15c4914d35af006d4d5eb9bd95f77fe6958700a827d5a52f9de88be97afa494
Status:
ERROR
Block height:
40029115
Block id:
238016d288d62f586b6a0f5537e55a1067a13275a9a91337ede54cc17c47190e
Timestamp:
Monday 31 October 2022 at 05:21:48 UTC
()
Proposer:
Authorizers:
Gas used:
48