Flow price: --
ff6a4d2b36f4a99efb26d791140f01874f24ee0a8e966ec9f30c7acf649afb09

Transaction

Hash: ff6a4d2b36f4a99efb26d791140f01874f24ee0a8e966ec9f30c7acf649afb09
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ff6a4d2b36f4a99efb26d791140f01874f24ee0a8e966ec9f30c7acf649afb09:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ff6a4d2b36f4a99efb26d791140f01874f24ee0a8e966ec9f30c7acf649afb09
Status:
ERROR
Block height:
39754890
Block id:
2fceaecec90c76aec1598cff875224de2cfc2e1ed9bab4db5a0f263e512fee6e
Timestamp:
Wednesday 26 October 2022 at 15:24:29 UTC
()
Proposer:
Authorizers:
Gas used:
50