Flow price: --
853a155d33b4d161b0d7a4acf33c6537dd28897bb4b1166d4107ca0fabca6ef6

Transaction

Hash: 853a155d33b4d161b0d7a4acf33c6537dd28897bb4b1166d4107ca0fabca6ef6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 853a155d33b4d161b0d7a4acf33c6537dd28897bb4b1166d4107ca0fabca6ef6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
853a155d33b4d161b0d7a4acf33c6537dd28897bb4b1166d4107ca0fabca6ef6
Status:
ERROR
Block height:
39879639
Block id:
496b4d3fe0d976cbe53073bb809239e982a09062ea5ff68dd6015ad4dff9a72a
Timestamp:
Friday 28 October 2022 at 17:40:43 UTC
()
Proposer:
Authorizers:
Gas used:
49