Flow price: --
78eabab767cb50ec919974bfd29b2c8cfb5325e1993ef87f3e8714b3e8337463

Transaction

Hash: 78eabab767cb50ec919974bfd29b2c8cfb5325e1993ef87f3e8714b3e8337463
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 78eabab767cb50ec919974bfd29b2c8cfb5325e1993ef87f3e8714b3e8337463:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
78eabab767cb50ec919974bfd29b2c8cfb5325e1993ef87f3e8714b3e8337463
Status:
ERROR
Block height:
39977885
Block id:
a106785be5a728f6cc450342a277a651b7084f880868b43ecff41ce20c65d230
Timestamp:
Sunday 30 October 2022 at 08:55:01 UTC
()
Proposer:
Authorizers:
Gas used:
48