Flow price: --
02b4eac4702e25e58d96f465a3e9edc52a199561bacd5542e6cc3bf01757b93f

Transaction

Hash: 02b4eac4702e25e58d96f465a3e9edc52a199561bacd5542e6cc3bf01757b93f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 02b4eac4702e25e58d96f465a3e9edc52a199561bacd5542e6cc3bf01757b93f: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:
02b4eac4702e25e58d96f465a3e9edc52a199561bacd5542e6cc3bf01757b93f
Status:
ERROR
Block height:
39918710
Block id:
a9763d753535f26489e505c6dae044ed9e6766bb2cbe757e78e4afd391000ce1
Timestamp:
Saturday 29 October 2022 at 09:15:48 UTC
()
Proposer:
Authorizers:
Gas used:
46