Flow price: --
b4260c0e1e17ff9895f4dd3937dc6994aeb22739074b0e1ebb3fca8668e7578b

Transaction

Hash: b4260c0e1e17ff9895f4dd3937dc6994aeb22739074b0e1ebb3fca8668e7578b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4260c0e1e17ff9895f4dd3937dc6994aeb22739074b0e1ebb3fca8668e7578b: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:
b4260c0e1e17ff9895f4dd3937dc6994aeb22739074b0e1ebb3fca8668e7578b
Status:
ERROR
Block height:
40110189
Block id:
d40098d6da5a6dd8a11f1e12f54d651e66f4ba4cd4d036e8a14a381b604a4d68
Timestamp:
Tuesday 1 November 2022 at 14:02:29 UTC
()
Proposer:
Authorizers:
Gas used:
61