Flow price: --
a98d3533a58934c34013711a59d7d9b6246cf9a948a7f31d5ad161c98116f636

Transaction

Hash: a98d3533a58934c34013711a59d7d9b6246cf9a948a7f31d5ad161c98116f636
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a98d3533a58934c34013711a59d7d9b6246cf9a948a7f31d5ad161c98116f636:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a98d3533a58934c34013711a59d7d9b6246cf9a948a7f31d5ad161c98116f636
Status:
ERROR
Block height:
40128203
Block id:
28e2ac65ffa509d2b9f97bc3463dab92d1bbfbb89006f4490742fb7d76c529c8
Timestamp:
Tuesday 1 November 2022 at 21:22:11 UTC
()
Proposer:
Authorizers:
Gas used:
48