Flow price: --
4b20fb114be8cb4c647b47e2a97ed8a8318f6f115ba44e652afefb6fc19b57d6

Transaction

Hash: 4b20fb114be8cb4c647b47e2a97ed8a8318f6f115ba44e652afefb6fc19b57d6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4b20fb114be8cb4c647b47e2a97ed8a8318f6f115ba44e652afefb6fc19b57d6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4b20fb114be8cb4c647b47e2a97ed8a8318f6f115ba44e652afefb6fc19b57d6
Status:
ERROR
Block height:
40119583
Block id:
6c6b1257364e464fd4f7c828bd7d57b6b3497373fcca275f3142e29683e0da93
Timestamp:
Tuesday 1 November 2022 at 17:51:02 UTC
()
Proposer:
Authorizers:
Gas used:
52