Flow price: --
4a90b8acc9748750e0e616349ed7903344e439b7b5bc5f59a3e3678eba344a95

Transaction

Hash: 4a90b8acc9748750e0e616349ed7903344e439b7b5bc5f59a3e3678eba344a95
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4a90b8acc9748750e0e616349ed7903344e439b7b5bc5f59a3e3678eba344a95:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4a90b8acc9748750e0e616349ed7903344e439b7b5bc5f59a3e3678eba344a95
Status:
ERROR
Block height:
40119538
Block id:
4173f28eabcddeef909bb29e2246e54088586baa6a1dcaae637cf3dd06e66c71
Timestamp:
Tuesday 1 November 2022 at 17:49:55 UTC
()
Proposer:
Authorizers:
Gas used:
46