Flow price: --
6e9914f40bc009d8d33f7f03016658542c91b4ba9a7f91e4542fd0d6490ff077

Transaction

Hash: 6e9914f40bc009d8d33f7f03016658542c91b4ba9a7f91e4542fd0d6490ff077
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6e9914f40bc009d8d33f7f03016658542c91b4ba9a7f91e4542fd0d6490ff077:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6e9914f40bc009d8d33f7f03016658542c91b4ba9a7f91e4542fd0d6490ff077
Status:
ERROR
Block height:
40135904
Block id:
916a252aa373401f14a02ecccfa384745bfd5c5c11f543623655be7c2ee8e978
Timestamp:
Wednesday 2 November 2022 at 00:31:21 UTC
()
Proposer:
Authorizers:
Gas used:
49