fix: Handle null value for $plotGroupingType in writePlotGroup#3976
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homersimpsons wants to merge 1 commit intoPHPOffice:masterfrom
Open
fix: Handle `null` value for `$plotGroupingType` in `writePlotGroup`#3976homersimpsons wants to merge 1 commit intoPHPOffice:masterfrom
homersimpsons wants to merge 1 commit intoPHPOffice:masterfrom
