Flow price: --
4ead2cc81386863e9cd7de16e69c73dc84b48648b171e81a17a19fa176923fbe

Transaction

Hash: 4ead2cc81386863e9cd7de16e69c73dc84b48648b171e81a17a19fa176923fbe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4ead2cc81386863e9cd7de16e69c73dc84b48648b171e81a17a19fa176923fbe: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:
4ead2cc81386863e9cd7de16e69c73dc84b48648b171e81a17a19fa176923fbe
Status:
ERROR
Block height:
39854111
Block id:
709c820015849ce392a9e39edfd1ea54cb0b20ecf51940d671cedd4563b69dd4
Timestamp:
Friday 28 October 2022 at 07:26:36 UTC
()
Proposer:
Authorizers:
Gas used:
62