Flow price: --
bc776a03da1f25432ee1cba80bb06bf1df2387e7b709af3315d15edb7adf03d3

Transaction

Hash: bc776a03da1f25432ee1cba80bb06bf1df2387e7b709af3315d15edb7adf03d3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bc776a03da1f25432ee1cba80bb06bf1df2387e7b709af3315d15edb7adf03d3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bc776a03da1f25432ee1cba80bb06bf1df2387e7b709af3315d15edb7adf03d3
Status:
ERROR
Block height:
39877913
Block id:
087448868c6ecefb024ec3d5c87b2ae33e51ba004049c9f217bd2a94d63a2d88
Timestamp:
Friday 28 October 2022 at 16:59:20 UTC
()
Proposer:
Authorizers:
Gas used:
47