Flow price: --
7852ec602d06f064beae407779e9722a561e31ef7fc99fcb8ed1a4aab18dc5f5

Transaction

Hash: 7852ec602d06f064beae407779e9722a561e31ef7fc99fcb8ed1a4aab18dc5f5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7852ec602d06f064beae407779e9722a561e31ef7fc99fcb8ed1a4aab18dc5f5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7852ec602d06f064beae407779e9722a561e31ef7fc99fcb8ed1a4aab18dc5f5
Status:
ERROR
Block height:
39986998
Block id:
0e043bd1744146ca774659a46a3f6cdaf2bc3acad03f931801ccab2e572dbae7
Timestamp:
Sunday 30 October 2022 at 12:33:34 UTC
()
Proposer:
Authorizers:
Gas used:
50