Flow price: --
070faabc66f250c70b1a54f56f560ebe47c69ddc70e6fcf14a5cefeb8345da33

Transaction

Hash: 070faabc66f250c70b1a54f56f560ebe47c69ddc70e6fcf14a5cefeb8345da33
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 070faabc66f250c70b1a54f56f560ebe47c69ddc70e6fcf14a5cefeb8345da33:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
070faabc66f250c70b1a54f56f560ebe47c69ddc70e6fcf14a5cefeb8345da33
Status:
ERROR
Block height:
40103460
Block id:
c523dc1db3d603ed5c27dde81334b4feef59b62dab713038505664625144228b
Timestamp:
Tuesday 1 November 2022 at 11:19:20 UTC
()
Proposer:
Authorizers:
Gas used:
47