Flow price: --
02a7789bc36c26bc4726ec143e619f966796e275e5457f36f3155fcafeb22c60

Transaction

Hash: 02a7789bc36c26bc4726ec143e619f966796e275e5457f36f3155fcafeb22c60
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 02a7789bc36c26bc4726ec143e619f966796e275e5457f36f3155fcafeb22c60:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
02a7789bc36c26bc4726ec143e619f966796e275e5457f36f3155fcafeb22c60
Status:
ERROR
Block height:
40037809
Block id:
4ad76bf126ddfdbaddbe952d6d0d18e9aabed30c71e31e4ff186d594b7c705e9
Timestamp:
Monday 31 October 2022 at 08:50:42 UTC
()
Proposer:
Authorizers:
Gas used:
51