Flow price: --
bc8ba99267f3d8589b085ba0e69cc78d958c61e70d90631f5fbae89e21f37753

Transaction

Hash: bc8ba99267f3d8589b085ba0e69cc78d958c61e70d90631f5fbae89e21f37753
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bc8ba99267f3d8589b085ba0e69cc78d958c61e70d90631f5fbae89e21f37753:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bc8ba99267f3d8589b085ba0e69cc78d958c61e70d90631f5fbae89e21f37753
Status:
ERROR
Block height:
40117478
Block id:
74b2f8739f926b528e79dd59e4de460b6ddfc1d55028eef089977941cb40419a
Timestamp:
Tuesday 1 November 2022 at 16:59:50 UTC
()
Proposer:
Authorizers:
Gas used:
47