Flow price: --
d8b9aa2143522cae74bbfe1734b898c55a6f7bf2aacf8e8d3975b8b5609d71b4

Transaction

Hash: d8b9aa2143522cae74bbfe1734b898c55a6f7bf2aacf8e8d3975b8b5609d71b4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d8b9aa2143522cae74bbfe1734b898c55a6f7bf2aacf8e8d3975b8b5609d71b4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d8b9aa2143522cae74bbfe1734b898c55a6f7bf2aacf8e8d3975b8b5609d71b4
Status:
ERROR
Block height:
40050199
Block id:
ca93f6277c63042e91f1f10ceb7df612f43c49240def81a017917e0fd69f69b8
Timestamp:
Monday 31 October 2022 at 13:50:42 UTC
()
Proposer:
Authorizers:
Gas used:
46