Flow price: --
863e486b8851cb2302187eab536f6a1e49ca30de7a1ed0b700574faff81234be

Transaction

Hash: 863e486b8851cb2302187eab536f6a1e49ca30de7a1ed0b700574faff81234be
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 863e486b8851cb2302187eab536f6a1e49ca30de7a1ed0b700574faff81234be: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:
863e486b8851cb2302187eab536f6a1e49ca30de7a1ed0b700574faff81234be
Status:
ERROR
Block height:
40100226
Block id:
2c687e875c3f5a7f56eda7edd1d6ef562d3ec0547f1ed71858a009b3daad752a
Timestamp:
Tuesday 1 November 2022 at 10:00:43 UTC
()
Proposer:
Authorizers:
Gas used:
51