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Best JavaScript Grid in the World
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Resource scheduling timeline component
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Scheduler with auto-scheduling and constraints
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Flexible JavaScript event calendar
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Kanban-style task board component
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JavaScript Data GridAG Grid Error #234

Full Error Text

Group Column Filter does not work with the `colDef` property `field`. This property will be ignored.
To show this error text in the dev console, enable development validations .

The following documentation pages should provide additional context / guidance on how to resolve this error.