Flow price: --
1a3ef3e02bc8332786289444a1e01a91a3482b1324e3d9913f7a6bb20dc72947

Transaction

Hash: 1a3ef3e02bc8332786289444a1e01a91a3482b1324e3d9913f7a6bb20dc72947
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a3ef3e02bc8332786289444a1e01a91a3482b1324e3d9913f7a6bb20dc72947:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a3ef3e02bc8332786289444a1e01a91a3482b1324e3d9913f7a6bb20dc72947
Status:
ERROR
Block height:
39745609
Block id:
7ca3b76467927fdb77b16aa95f91db4672e446fa56baa918abc057c70931e91d
Timestamp:
Wednesday 26 October 2022 at 11:41:29 UTC
()
Proposer:
Authorizers:
Gas used:
46