Flow price: --
8e0342a77a49b21d68392454f92fdaf8a4dbdebdf77e228cd22059696dea7041

Transaction

Hash: 8e0342a77a49b21d68392454f92fdaf8a4dbdebdf77e228cd22059696dea7041
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8e0342a77a49b21d68392454f92fdaf8a4dbdebdf77e228cd22059696dea7041:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8e0342a77a49b21d68392454f92fdaf8a4dbdebdf77e228cd22059696dea7041
Status:
ERROR
Block height:
39995766
Block id:
ec95c5a87c62838e0561456ce2bb5ef839c40d303da06414c3db7660b59e69ec
Timestamp:
Sunday 30 October 2022 at 16:04:22 UTC
()
Proposer:
Authorizers:
Gas used:
63