Flow price: --
5a4bae82cc66e6b261fe95f54ac1b74eafca6f1c95ffc1c1e439fbf723f39538

Transaction

Hash: 5a4bae82cc66e6b261fe95f54ac1b74eafca6f1c95ffc1c1e439fbf723f39538
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5a4bae82cc66e6b261fe95f54ac1b74eafca6f1c95ffc1c1e439fbf723f39538:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5a4bae82cc66e6b261fe95f54ac1b74eafca6f1c95ffc1c1e439fbf723f39538
Status:
ERROR
Block height:
40096838
Block id:
b3baa1f4419d39308262da7c5ee43943b915ce11d1139017e061bf0e23b1f667
Timestamp:
Tuesday 1 November 2022 at 08:38:15 UTC
()
Proposer:
Authorizers:
Gas used:
47