Flow price: --
d120c8e36ba13ac8b3da6ae97f995571e90b6c8391a7636324501dd2dc867ada

Transaction

Hash: d120c8e36ba13ac8b3da6ae97f995571e90b6c8391a7636324501dd2dc867ada
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d120c8e36ba13ac8b3da6ae97f995571e90b6c8391a7636324501dd2dc867ada: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:
d120c8e36ba13ac8b3da6ae97f995571e90b6c8391a7636324501dd2dc867ada
Status:
ERROR
Block height:
39788432
Block id:
45321cc1c288ddaee9e2f48a13488b71e672dcb0ca99c0973fb5a006255f9c04
Timestamp:
Thursday 27 October 2022 at 04:55:24 UTC
()
Proposer:
Authorizers:
Gas used:
47