Flow price: --
135b55a69000f05cf3d4a3a7ef990225fb8f78afa940518a6cc3522bad7b1038

Transaction

Hash: 135b55a69000f05cf3d4a3a7ef990225fb8f78afa940518a6cc3522bad7b1038
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 135b55a69000f05cf3d4a3a7ef990225fb8f78afa940518a6cc3522bad7b1038:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
135b55a69000f05cf3d4a3a7ef990225fb8f78afa940518a6cc3522bad7b1038
Status:
ERROR
Block height:
39967825
Block id:
5e51295f80e7759670013fb2b693df41c1fd3a6932f909916143ffd84ee61eae
Timestamp:
Sunday 30 October 2022 at 04:53:01 UTC
()
Proposer:
Authorizers:
Gas used:
49