Flow price: --
4f5abe85e22a8cea4716c742a731457acbc25736172ef33c4e1f85f35456c077

Transaction

Hash: 4f5abe85e22a8cea4716c742a731457acbc25736172ef33c4e1f85f35456c077
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4f5abe85e22a8cea4716c742a731457acbc25736172ef33c4e1f85f35456c077:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4f5abe85e22a8cea4716c742a731457acbc25736172ef33c4e1f85f35456c077
Status:
ERROR
Block height:
40023177
Block id:
eb71a87aa81f4ab0952cc2e744b8a78c6c186ef4dea4c0e4e368933e957a3233
Timestamp:
Monday 31 October 2022 at 02:58:06 UTC
()
Proposer:
Authorizers:
Gas used:
49