Flow price: --
8539ae4ea1bb78abf73bad6f7f6ce6ac6c3b3534f3bfebb3963c1dea729d11fa

Transaction

Hash: 8539ae4ea1bb78abf73bad6f7f6ce6ac6c3b3534f3bfebb3963c1dea729d11fa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8539ae4ea1bb78abf73bad6f7f6ce6ac6c3b3534f3bfebb3963c1dea729d11fa: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:
8539ae4ea1bb78abf73bad6f7f6ce6ac6c3b3534f3bfebb3963c1dea729d11fa
Status:
ERROR
Block height:
39904729
Block id:
1b928d6bab072d2e82cc95c4fe40f2668d3d5bfb3e45e768abdc70162fc9d8d3
Timestamp:
Saturday 29 October 2022 at 03:39:31 UTC
()
Proposer:
Authorizers:
Gas used:
47