Flow price: --
5d6f4a278ab446947ddc877e0e33ff025510363c36aad70e74f6e2ab33eeb660

Transaction

Hash: 5d6f4a278ab446947ddc877e0e33ff025510363c36aad70e74f6e2ab33eeb660
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5d6f4a278ab446947ddc877e0e33ff025510363c36aad70e74f6e2ab33eeb660:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5d6f4a278ab446947ddc877e0e33ff025510363c36aad70e74f6e2ab33eeb660
Status:
ERROR
Block height:
40115487
Block id:
99b43ad62681e65898ec82eceab0e09d561511cca8c288aae1a69342d131195c
Timestamp:
Tuesday 1 November 2022 at 16:11:12 UTC
()
Proposer:
Authorizers:
Gas used:
50