Flow price: --
f653cf55a46c78b08bd566b9e111e64c51ec5e0f90423140a7a20f7e4e7b0a0a

Transaction

Hash: f653cf55a46c78b08bd566b9e111e64c51ec5e0f90423140a7a20f7e4e7b0a0a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f653cf55a46c78b08bd566b9e111e64c51ec5e0f90423140a7a20f7e4e7b0a0a: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:
f653cf55a46c78b08bd566b9e111e64c51ec5e0f90423140a7a20f7e4e7b0a0a
Status:
ERROR
Block height:
40081894
Block id:
656802a4fb9e263e81ac383812b65d48c3213dad468a5a07e34cbf44ecfa3196
Timestamp:
Tuesday 1 November 2022 at 02:33:58 UTC
()
Proposer:
Authorizers:
Gas used:
48