Flow price: --
d54bb7fde9bef59a159ec4189b5676f4dc26a03c4c3d625898aa28a5cd2c8614

Transaction

Hash: d54bb7fde9bef59a159ec4189b5676f4dc26a03c4c3d625898aa28a5cd2c8614
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d54bb7fde9bef59a159ec4189b5676f4dc26a03c4c3d625898aa28a5cd2c8614:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d54bb7fde9bef59a159ec4189b5676f4dc26a03c4c3d625898aa28a5cd2c8614
Status:
ERROR
Block height:
39861826
Block id:
1dff08301f8fac281103ef00ecf93d9442f13ecec19b7ac124534be78082c785
Timestamp:
Friday 28 October 2022 at 10:32:53 UTC
()
Proposer:
Authorizers:
Gas used:
49