Flow price: --
7865d9347372a5071a7aa21731ebdef24c2a886ca597ae975e16eb7c1aa1cce1

Transaction

Hash: 7865d9347372a5071a7aa21731ebdef24c2a886ca597ae975e16eb7c1aa1cce1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7865d9347372a5071a7aa21731ebdef24c2a886ca597ae975e16eb7c1aa1cce1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7865d9347372a5071a7aa21731ebdef24c2a886ca597ae975e16eb7c1aa1cce1
Status:
ERROR
Block height:
39800907
Block id:
1151795cc6021a973923c7a6d18c960f90b561ed9da78ae9868bc333e7e97295
Timestamp:
Thursday 27 October 2022 at 09:57:20 UTC
()
Proposer:
Authorizers:
Gas used:
50