Flow price: --
1c97976a5603e06436e04f2af1ad55d5c8628a213f786404c94f69e596660afc

Transaction

Hash: 1c97976a5603e06436e04f2af1ad55d5c8628a213f786404c94f69e596660afc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1c97976a5603e06436e04f2af1ad55d5c8628a213f786404c94f69e596660afc: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:
1c97976a5603e06436e04f2af1ad55d5c8628a213f786404c94f69e596660afc
Status:
ERROR
Block height:
39733980
Block id:
34263ea5316eabd8cd58fde0f1e50ec3938e885417287d09bec1a79a80058664
Timestamp:
Wednesday 26 October 2022 at 06:59:55 UTC
()
Proposer:
Authorizers:
Gas used:
49