Flow price: --
4239b7209a8791143e409098c2a877f22a650450f77cdcaed35e6055b6c3a59a

Transaction

Hash: 4239b7209a8791143e409098c2a877f22a650450f77cdcaed35e6055b6c3a59a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4239b7209a8791143e409098c2a877f22a650450f77cdcaed35e6055b6c3a59a: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:
4239b7209a8791143e409098c2a877f22a650450f77cdcaed35e6055b6c3a59a
Status:
ERROR
Block height:
39963944
Block id:
5328dd1a17097c064617ab7592adfde301c0f9f0b1ac6f3263b9075d379dc5ad
Timestamp:
Sunday 30 October 2022 at 03:20:01 UTC
()
Proposer:
Authorizers:
Gas used:
47