Flow price: --
71c01aed450e9f9cb24854a89385bbafcfdddc7cdbd9eca5a988e8ae98409174

Transaction

Hash: 71c01aed450e9f9cb24854a89385bbafcfdddc7cdbd9eca5a988e8ae98409174
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71c01aed450e9f9cb24854a89385bbafcfdddc7cdbd9eca5a988e8ae98409174:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
71c01aed450e9f9cb24854a89385bbafcfdddc7cdbd9eca5a988e8ae98409174
Status:
ERROR
Block height:
40034630
Block id:
ec99448f8c5ca06f2dce4a4afb8a25f5668e7d12d3fa1282d28f4a11be844f77
Timestamp:
Monday 31 October 2022 at 07:34:47 UTC
()
Proposer:
Authorizers:
Gas used:
49