Flow price: --
1973c86e58513095287ca00c96c184969fe5ad45f8f43d23544e7c9a66d0dc42

Transaction

Hash: 1973c86e58513095287ca00c96c184969fe5ad45f8f43d23544e7c9a66d0dc42
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1973c86e58513095287ca00c96c184969fe5ad45f8f43d23544e7c9a66d0dc42:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1973c86e58513095287ca00c96c184969fe5ad45f8f43d23544e7c9a66d0dc42
Status:
ERROR
Block height:
39737194
Block id:
70f102f708fd9efa9f3deadca8838baacea82d4e8fa826aa7da92db5750061be
Timestamp:
Wednesday 26 October 2022 at 08:17:09 UTC
()
Proposer:
Authorizers:
Gas used:
50