Flow price: --
64b8bc3c67335ec2ae05dd3966232067c9c5e8ee0845562a5ad7519ea32ea593

Transaction

Hash: 64b8bc3c67335ec2ae05dd3966232067c9c5e8ee0845562a5ad7519ea32ea593
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64b8bc3c67335ec2ae05dd3966232067c9c5e8ee0845562a5ad7519ea32ea593:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64b8bc3c67335ec2ae05dd3966232067c9c5e8ee0845562a5ad7519ea32ea593
Status:
ERROR
Block height:
40121055
Block id:
11da4bc9ec0a17373dbc3bfd465857b8cb000d13ce501675a81cdcc49b8ab370
Timestamp:
Tuesday 1 November 2022 at 18:26:48 UTC
()
Proposer:
Authorizers:
Gas used:
46