Flow price: --
b63137a58381b978dd2573d55391a6c168e226bee5661d72a403f71e5157b624

Transaction

Hash: b63137a58381b978dd2573d55391a6c168e226bee5661d72a403f71e5157b624
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b63137a58381b978dd2573d55391a6c168e226bee5661d72a403f71e5157b624:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b63137a58381b978dd2573d55391a6c168e226bee5661d72a403f71e5157b624
Status:
ERROR
Block height:
39851947
Block id:
d50fa53278bc6a838294b24b53a460b89d11063839170501348a2359558cb703
Timestamp:
Friday 28 October 2022 at 06:33:10 UTC
()
Proposer:
Authorizers:
Gas used:
48