Flow price: --
bb697158f7d0c72918adf9e1ce64521b498cb66ad69a93491e37d3b697463616

Transaction

Hash: bb697158f7d0c72918adf9e1ce64521b498cb66ad69a93491e37d3b697463616
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb697158f7d0c72918adf9e1ce64521b498cb66ad69a93491e37d3b697463616:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bb697158f7d0c72918adf9e1ce64521b498cb66ad69a93491e37d3b697463616
Status:
ERROR
Block height:
40029652
Block id:
7018501f302db25e88d6ecf8430a240b6de5d0feb90133e696c0dfe0b713cf6c
Timestamp:
Monday 31 October 2022 at 05:35:03 UTC
()
Proposer:
Authorizers:
Gas used:
47