Flow price: --
f09fbcb07de4e5a509118f22054958e96b23d3f30d893c02ab77fd0be28eb444

Transaction

Hash: f09fbcb07de4e5a509118f22054958e96b23d3f30d893c02ab77fd0be28eb444
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f09fbcb07de4e5a509118f22054958e96b23d3f30d893c02ab77fd0be28eb444:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f09fbcb07de4e5a509118f22054958e96b23d3f30d893c02ab77fd0be28eb444
Status:
ERROR
Block height:
40127257
Block id:
fcffd9ffb5e512b51019726c84b89768196f755df49484c56e1f0db805e42a40
Timestamp:
Tuesday 1 November 2022 at 20:58:53 UTC
()
Proposer:
Authorizers:
Gas used:
49