Flow price: --
1e3bf1a66a34a12c2e0b742e5b71da9eadf67c2d0ae28ff56f136754c7552dab

Transaction

Hash: 1e3bf1a66a34a12c2e0b742e5b71da9eadf67c2d0ae28ff56f136754c7552dab
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1e3bf1a66a34a12c2e0b742e5b71da9eadf67c2d0ae28ff56f136754c7552dab: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:
1e3bf1a66a34a12c2e0b742e5b71da9eadf67c2d0ae28ff56f136754c7552dab
Status:
ERROR
Block height:
39971312
Block id:
591934cf30ca55e3ae803203d2ca345defaa0996121b042c953e51d73690afa4
Timestamp:
Sunday 30 October 2022 at 06:17:16 UTC
()
Proposer:
Authorizers:
Gas used:
46