Flow price: --
21daac5fe5b7a50ea2346b57adc742393f5ad30f829cd343e5ba62b638aac077

Transaction

Hash: 21daac5fe5b7a50ea2346b57adc742393f5ad30f829cd343e5ba62b638aac077
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21daac5fe5b7a50ea2346b57adc742393f5ad30f829cd343e5ba62b638aac077:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
21daac5fe5b7a50ea2346b57adc742393f5ad30f829cd343e5ba62b638aac077
Status:
ERROR
Block height:
39869809
Block id:
75c8e304ec6f3e3eef0be864e7a6f6856ab81cde0daef5e0aa8012218c36beb5
Timestamp:
Friday 28 October 2022 at 13:45:00 UTC
()
Proposer:
Authorizers:
Gas used:
50