Flow price: --
40bb40dea28082c55e9baba73847acd9eba4aae30d5d4a9d319f8507e1b7c726

Transaction

Hash: 40bb40dea28082c55e9baba73847acd9eba4aae30d5d4a9d319f8507e1b7c726
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 40bb40dea28082c55e9baba73847acd9eba4aae30d5d4a9d319f8507e1b7c726:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
40bb40dea28082c55e9baba73847acd9eba4aae30d5d4a9d319f8507e1b7c726
Status:
ERROR
Block height:
40030387
Block id:
f429cc6b00d97d113e2925ea0cef19b8358f9258a8f45433e401cc2b4f6d0efc
Timestamp:
Monday 31 October 2022 at 05:52:39 UTC
()
Proposer:
Authorizers:
Gas used:
46