Flow price: --
77ebee4e730e5c641c28e0e1ed3838b1b9bf45c5e1e15a0c5e50cf06219c148f

Transaction

Hash: 77ebee4e730e5c641c28e0e1ed3838b1b9bf45c5e1e15a0c5e50cf06219c148f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 77ebee4e730e5c641c28e0e1ed3838b1b9bf45c5e1e15a0c5e50cf06219c148f: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:
77ebee4e730e5c641c28e0e1ed3838b1b9bf45c5e1e15a0c5e50cf06219c148f
Status:
ERROR
Block height:
39802742
Block id:
90980de979e5d8f03f83d84096879f6eadbbff58c402ff2b9ccb5e1572a9ddb9
Timestamp:
Thursday 27 October 2022 at 10:41:03 UTC
()
Proposer:
Authorizers:
Gas used:
46