Flow price: --
447cf146d8f44d6ea017d33d720115910f1f6f4e6476dee1db8f997ae15618cf

Transaction

Hash: 447cf146d8f44d6ea017d33d720115910f1f6f4e6476dee1db8f997ae15618cf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 447cf146d8f44d6ea017d33d720115910f1f6f4e6476dee1db8f997ae15618cf: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:
447cf146d8f44d6ea017d33d720115910f1f6f4e6476dee1db8f997ae15618cf
Status:
ERROR
Block height:
39876005
Block id:
d002825e7169b103a7be84ab149fdc4b066e67bfc0c15c39b651ba63165b411c
Timestamp:
Friday 28 October 2022 at 16:13:48 UTC
()
Proposer:
Authorizers:
Gas used:
50