Flow price: --
85f54cb8d2409a09aab2f9dac0ac8b45eeec453a754c7c8613acd8f38fb9aabc

Transaction

Hash: 85f54cb8d2409a09aab2f9dac0ac8b45eeec453a754c7c8613acd8f38fb9aabc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 85f54cb8d2409a09aab2f9dac0ac8b45eeec453a754c7c8613acd8f38fb9aabc: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:
85f54cb8d2409a09aab2f9dac0ac8b45eeec453a754c7c8613acd8f38fb9aabc
Status:
ERROR
Block height:
40099320
Block id:
aabd9449e8d3b4d42538cd93b49cfcb0809944c3bb0151d62b3f6f562c827d46
Timestamp:
Tuesday 1 November 2022 at 09:38:54 UTC
()
Proposer:
Authorizers:
Gas used:
46