Flow price: --
b8c1e2fff25f5746ecac928c86cd2eac81f5005839cf7170b18b5c475d0878b0

Transaction

Hash: b8c1e2fff25f5746ecac928c86cd2eac81f5005839cf7170b18b5c475d0878b0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8c1e2fff25f5746ecac928c86cd2eac81f5005839cf7170b18b5c475d0878b0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b8c1e2fff25f5746ecac928c86cd2eac81f5005839cf7170b18b5c475d0878b0
Status:
ERROR
Block height:
40100482
Block id:
7e37b811f59e2f5fa994b13d1d0c2dfdb0125286ae01bff22c6e46aba40d9db2
Timestamp:
Tuesday 1 November 2022 at 10:06:49 UTC
()
Proposer:
Authorizers:
Gas used:
46