Flow price: --
5a041211180c7c9ebbafa65f4e3007aa934235adca7a8b6f703867cfd9d4b376

Transaction

Hash: 5a041211180c7c9ebbafa65f4e3007aa934235adca7a8b6f703867cfd9d4b376
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5a041211180c7c9ebbafa65f4e3007aa934235adca7a8b6f703867cfd9d4b376:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5a041211180c7c9ebbafa65f4e3007aa934235adca7a8b6f703867cfd9d4b376
Status:
ERROR
Block height:
39857659
Block id:
e20a2358cbed61293440cd12f62e8fcfc6572a825057e6a0282fa8ba76f6447b
Timestamp:
Friday 28 October 2022 at 08:52:35 UTC
()
Proposer:
Authorizers:
Gas used:
46