Flow price: --
16d25d7754d823a145e826e38ace9e3bf016589e34ee4f64208528a2e9fe21e9

Transaction

Hash: 16d25d7754d823a145e826e38ace9e3bf016589e34ee4f64208528a2e9fe21e9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 16d25d7754d823a145e826e38ace9e3bf016589e34ee4f64208528a2e9fe21e9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
16d25d7754d823a145e826e38ace9e3bf016589e34ee4f64208528a2e9fe21e9
Status:
ERROR
Block height:
39748594
Block id:
d68304cfcc7f8896c7534178ce0c9c663981fe7f579d5db624bedaf6a9d5c355
Timestamp:
Wednesday 26 October 2022 at 12:53:12 UTC
()
Proposer:
Authorizers:
Gas used:
51