Error msg shows when create legend for color index plot with partial rows

Version: 2019b

Type: Bug Fixes

Category: Graphing

Subcategory: Text Labels & Legends

Jira: ORG-19252

New bug in Origin 2019. Fixed in Origin 2019b.

E.g. plot a scatter graph with part of rows and index the symbol color to another column.

Click Ctrl+L to reconstruct legend. It should create categorical legend. But instead, error message Encountered an improper argument showed.