Flow price: --
8c8745d55516477ceceec9a7ffc51ffb7c17e11c5c300c5184b53a5cbef0e255

Transaction

Hash: 8c8745d55516477ceceec9a7ffc51ffb7c17e11c5c300c5184b53a5cbef0e255
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8c8745d55516477ceceec9a7ffc51ffb7c17e11c5c300c5184b53a5cbef0e255:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8c8745d55516477ceceec9a7ffc51ffb7c17e11c5c300c5184b53a5cbef0e255
Status:
ERROR
Block height:
40108549
Block id:
23ee5fe35feba3a2624f6ae94cb6cd98ba79d64dd19a72f3242a051214e4da80
Timestamp:
Tuesday 1 November 2022 at 13:22:43 UTC
()
Proposer:
Authorizers:
Gas used:
51