Flow price: --
f8ef62d8ebc0956a770725e63b13940f66b038b591d5714abb88dc0e44623633

Transaction

Hash: f8ef62d8ebc0956a770725e63b13940f66b038b591d5714abb88dc0e44623633
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f8ef62d8ebc0956a770725e63b13940f66b038b591d5714abb88dc0e44623633:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f8ef62d8ebc0956a770725e63b13940f66b038b591d5714abb88dc0e44623633
Status:
ERROR
Block height:
40081192
Block id:
0802a62b8f47a2ad1eb73c283e63f113519142e79140190264b8834b5d4d9781
Timestamp:
Tuesday 1 November 2022 at 02:16:53 UTC
()
Proposer:
Authorizers:
Gas used:
47