Flow price: --
17767de5f448530b4a91abaac7170f51264364299155660fde04f7d82a1b005c

Transaction

Hash: 17767de5f448530b4a91abaac7170f51264364299155660fde04f7d82a1b005c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 17767de5f448530b4a91abaac7170f51264364299155660fde04f7d82a1b005c: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:
17767de5f448530b4a91abaac7170f51264364299155660fde04f7d82a1b005c
Status:
ERROR
Block height:
40036452
Block id:
7b654b7e1372f7e8575bbd1dad0075bea201824d29d02d60d4c84d1368c63e84
Timestamp:
Monday 31 October 2022 at 08:18:19 UTC
()
Proposer:
Authorizers:
Gas used:
46