Flow price: --
dd93fcdc3c3266d28ae650454b84dfbd379a28789a50ed32b53e4a8b7fadb217

Transaction

Hash: dd93fcdc3c3266d28ae650454b84dfbd379a28789a50ed32b53e4a8b7fadb217
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dd93fcdc3c3266d28ae650454b84dfbd379a28789a50ed32b53e4a8b7fadb217:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dd93fcdc3c3266d28ae650454b84dfbd379a28789a50ed32b53e4a8b7fadb217
Status:
ERROR
Block height:
39798169
Block id:
205f4c29e511a4104bd3d0fb6749d96c0c3c3dff29671d864758404de39565ac
Timestamp:
Thursday 27 October 2022 at 08:51:08 UTC
()
Proposer:
Authorizers:
Gas used:
50