Flow price: --
8f2e17f9c7c1ab04e28cdfeec4e77c4a83906319feb15352904b57b6850a2347

Transaction

Hash: 8f2e17f9c7c1ab04e28cdfeec4e77c4a83906319feb15352904b57b6850a2347
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8f2e17f9c7c1ab04e28cdfeec4e77c4a83906319feb15352904b57b6850a2347:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8f2e17f9c7c1ab04e28cdfeec4e77c4a83906319feb15352904b57b6850a2347
Status:
ERROR
Block height:
39774687
Block id:
4c923e1fdbe5a812c9794f851275968c9cdbd4713691b0f2954c7c318c91568b
Timestamp:
Wednesday 26 October 2022 at 23:23:40 UTC
()
Proposer:
Authorizers:
Gas used:
50