Flow price: --
03d94bb76a0c5c7b24b70fa54f3502d0c6f10189723133e8ec1e0454fcefc070

Transaction

Hash: 03d94bb76a0c5c7b24b70fa54f3502d0c6f10189723133e8ec1e0454fcefc070
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 03d94bb76a0c5c7b24b70fa54f3502d0c6f10189723133e8ec1e0454fcefc070:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
03d94bb76a0c5c7b24b70fa54f3502d0c6f10189723133e8ec1e0454fcefc070
Status:
ERROR
Block height:
39925307
Block id:
7481dbc9d33850f222457bb3f7c88ce1d2d0ba8ca8cf5ad439b7d161b4eadc88
Timestamp:
Saturday 29 October 2022 at 11:55:09 UTC
()
Proposer:
Authorizers:
Gas used:
48