Flow price: --
d7502a583de1f1e71f11a6dd7b4811a9d14e923e818d377e81fd8b83928b036e

Transaction

Hash: d7502a583de1f1e71f11a6dd7b4811a9d14e923e818d377e81fd8b83928b036e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7502a583de1f1e71f11a6dd7b4811a9d14e923e818d377e81fd8b83928b036e: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:
d7502a583de1f1e71f11a6dd7b4811a9d14e923e818d377e81fd8b83928b036e
Status:
ERROR
Block height:
39799623
Block id:
a009a3d7a1607e52678c6eef69874faddce91f783ff3075e89ebe0e4a91521be
Timestamp:
Thursday 27 October 2022 at 09:26:26 UTC
()
Proposer:
Authorizers:
Gas used:
48