Flow price: --
b70e989aac5aca0ba7a6c449a3a4a3d40a725e075d4eda1b8f7f57f4761ef824

Transaction

Hash: b70e989aac5aca0ba7a6c449a3a4a3d40a725e075d4eda1b8f7f57f4761ef824
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b70e989aac5aca0ba7a6c449a3a4a3d40a725e075d4eda1b8f7f57f4761ef824:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b70e989aac5aca0ba7a6c449a3a4a3d40a725e075d4eda1b8f7f57f4761ef824
Status:
ERROR
Block height:
39754223
Block id:
8b250506ead5e99f6c824d1d9ae002c5bb3f65ec71c62d46e7cb72a25d64a563
Timestamp:
Wednesday 26 October 2022 at 15:08:46 UTC
()
Proposer:
Authorizers:
Gas used:
46