Flow price: --
4a55a2ee26e8c9bf519ff5e311eda503317a3a1101c2e7ce20be3638d1cf5f40

Transaction

Hash: 4a55a2ee26e8c9bf519ff5e311eda503317a3a1101c2e7ce20be3638d1cf5f40
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4a55a2ee26e8c9bf519ff5e311eda503317a3a1101c2e7ce20be3638d1cf5f40:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4a55a2ee26e8c9bf519ff5e311eda503317a3a1101c2e7ce20be3638d1cf5f40
Status:
ERROR
Block height:
40137676
Block id:
ceff6de8a9839bfe56d71e0acbb40215fb7ac6fb44b07b5c5a1819af7e2977d4
Timestamp:
Wednesday 2 November 2022 at 01:14:05 UTC
()
Proposer:
Authorizers:
Gas used:
46