Flow price: --
2441575ab93935683b826a02163b270d0f7ed07f3b66dcfedad59b6d5dcec03e

Transaction

Hash: 2441575ab93935683b826a02163b270d0f7ed07f3b66dcfedad59b6d5dcec03e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2441575ab93935683b826a02163b270d0f7ed07f3b66dcfedad59b6d5dcec03e: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:
2441575ab93935683b826a02163b270d0f7ed07f3b66dcfedad59b6d5dcec03e
Status:
ERROR
Block height:
39866974
Block id:
d8c228bc9e0cc9853bd5d7473a0fecb69d2e178aee84bacb0781c7d888a26e56
Timestamp:
Friday 28 October 2022 at 12:36:42 UTC
()
Proposer:
Authorizers:
Gas used:
48