Flow price: --
f67e7c210aeff1b6705dd43f7218843465599fff446e7f3ea2c50a6d8a5c180f

Transaction

Hash: f67e7c210aeff1b6705dd43f7218843465599fff446e7f3ea2c50a6d8a5c180f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f67e7c210aeff1b6705dd43f7218843465599fff446e7f3ea2c50a6d8a5c180f: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:
f67e7c210aeff1b6705dd43f7218843465599fff446e7f3ea2c50a6d8a5c180f
Status:
ERROR
Block height:
39922301
Block id:
0b77b101904a8b32502ae4f98d7c9a5fb3a3f8c29f726e9a03c218f1d730212e
Timestamp:
Saturday 29 October 2022 at 10:42:17 UTC
()
Proposer:
Authorizers:
Gas used:
50