Flow price: --
b63b99a19e1eb493535f6099930e218270a2b75b786cbc98f418cf1ae62ecd50

Transaction

Hash: b63b99a19e1eb493535f6099930e218270a2b75b786cbc98f418cf1ae62ecd50
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b63b99a19e1eb493535f6099930e218270a2b75b786cbc98f418cf1ae62ecd50:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b63b99a19e1eb493535f6099930e218270a2b75b786cbc98f418cf1ae62ecd50
Status:
ERROR
Block height:
39877012
Block id:
43954190a13a3f658518786ebf3155c7260f381cc6cf472041712e7089e4343b
Timestamp:
Friday 28 October 2022 at 16:37:36 UTC
()
Proposer:
Authorizers:
Gas used:
49