Flow price: --
74b361d642ca266d6cee7a6a6494906a4f2b7399a7bbf7397a25fada2a4951b8

Transaction

Hash: 74b361d642ca266d6cee7a6a6494906a4f2b7399a7bbf7397a25fada2a4951b8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 74b361d642ca266d6cee7a6a6494906a4f2b7399a7bbf7397a25fada2a4951b8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
74b361d642ca266d6cee7a6a6494906a4f2b7399a7bbf7397a25fada2a4951b8
Status:
ERROR
Block height:
40040091
Block id:
f63fc14ee8cf27ef0a54f2e6ab50499a3cede9ca351d3ccbb7b97df220f04fe6
Timestamp:
Monday 31 October 2022 at 09:46:14 UTC
()
Proposer:
Authorizers:
Gas used:
50