Flow price: --
a23bcec887c20d9e45911eb3b41a85b73bbaab8f2d864a7c92ab66847974b131

Transaction

Hash: a23bcec887c20d9e45911eb3b41a85b73bbaab8f2d864a7c92ab66847974b131
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a23bcec887c20d9e45911eb3b41a85b73bbaab8f2d864a7c92ab66847974b131:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a23bcec887c20d9e45911eb3b41a85b73bbaab8f2d864a7c92ab66847974b131
Status:
ERROR
Block height:
40086757
Block id:
41a50e5c522060cba4e68658ba5c76e09f64165454f10b8cc5661a9356199466
Timestamp:
Tuesday 1 November 2022 at 04:32:36 UTC
()
Proposer:
Authorizers:
Gas used:
52