Flow price: --
8f301aeac9a88b5a35e42b6f7acf387ecb627180bbc889a4f86fdfa05467bc75

Transaction

Hash: 8f301aeac9a88b5a35e42b6f7acf387ecb627180bbc889a4f86fdfa05467bc75
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8f301aeac9a88b5a35e42b6f7acf387ecb627180bbc889a4f86fdfa05467bc75:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8f301aeac9a88b5a35e42b6f7acf387ecb627180bbc889a4f86fdfa05467bc75
Status:
ERROR
Block height:
39997691
Block id:
8ba74eae5802592ac6a1bb02fd7f6b4cb44045c6c1fed314f0dc8e57f7cef30f
Timestamp:
Sunday 30 October 2022 at 16:50:13 UTC
()
Proposer:
Authorizers:
Gas used:
47