Flow price: --
a30327511b56a3ee3a00244c539eebe108d4cd3f954d427e72c6e25ee9d8e9b2

Transaction

Hash: a30327511b56a3ee3a00244c539eebe108d4cd3f954d427e72c6e25ee9d8e9b2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a30327511b56a3ee3a00244c539eebe108d4cd3f954d427e72c6e25ee9d8e9b2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a30327511b56a3ee3a00244c539eebe108d4cd3f954d427e72c6e25ee9d8e9b2
Status:
ERROR
Block height:
40146800
Block id:
29dcaef1b4648d0d5e0510f2ac61ea6ae1ec0ba8b2966d03b6be6ea0c4480f47
Timestamp:
Wednesday 2 November 2022 at 04:56:10 UTC
()
Proposer:
Authorizers:
Gas used:
46