ChartItem: Number of categories or series are not saved

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Symptom
Chart Item number of categories or series are not saved by the Web Application Designer when using the ChartDesigner tool
Other terms
WAD, series, categories, category, chartItem, pie, Line, Column, bar, Doughnut, Radar, Area, Polar, Speedometer, SplitPie, Scatter, Histogram, Heatmap, Portfolio, Gantt, Waterfall
Reason and Prerequisites
Additional documentation
Solution
The number of categories and series in the Chart Designer (WAD) [...]

Performance improvements in a WAN (roundtrip reductions)

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Symptom
When executing large and complex workbooks (specifically in planning scenarios) in the BEx Analyzer, roundtrip times in a WAN environment can take very long.
Other terms
RFC TCP IP wide area network
Reason and Prerequisites
Due to the current data transport mechanism, too many roundtrips (both on the RFC and TCP/IP level) are executed in workbooks with [...]