Flow price: --
b8bd590c41ef244eafb95d22e9e746849fde2abe00768ea411b479c90d645fa7

Transaction

Hash: b8bd590c41ef244eafb95d22e9e746849fde2abe00768ea411b479c90d645fa7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8bd590c41ef244eafb95d22e9e746849fde2abe00768ea411b479c90d645fa7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b8bd590c41ef244eafb95d22e9e746849fde2abe00768ea411b479c90d645fa7
Status:
ERROR
Block height:
39962274
Block id:
fe7ada8e4ff96d54be8f9ca17855c461f0c787bfb3df57f25c8db05a99a4c0ac
Timestamp:
Sunday 30 October 2022 at 02:40:00 UTC
()
Proposer:
Authorizers:
Gas used:
50