Flow price: --
d823e9e7d81c922c12a9036a7ada6529313e8873bdf19d1ddc44e9e0beb96405

Transaction

Hash: d823e9e7d81c922c12a9036a7ada6529313e8873bdf19d1ddc44e9e0beb96405
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d823e9e7d81c922c12a9036a7ada6529313e8873bdf19d1ddc44e9e0beb96405:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d823e9e7d81c922c12a9036a7ada6529313e8873bdf19d1ddc44e9e0beb96405
Status:
ERROR
Block height:
39997269
Block id:
77851fcdc6e4fd1d5cbe571c9c34baef3a88f52e8c79a5ea89cc3aaa43288452
Timestamp:
Sunday 30 October 2022 at 16:40:19 UTC
()
Proposer:
Authorizers:
Gas used:
49