Connecting a chart to a dataset

BJLBJL Brussels, Belgium
edited 3:51PM in FastReport 4.0
XP Pro, FR 4.6.1, BCB6, Firebird 1.5

One-page report with a chart in band ReportSummary.
frxDBDataSet is connected to a pFIBDataset which works OK (I can make a TeeChart DBChart out of it).
frxDBDataSet is registered in the frxReport (Report | Data).
In the Chart Editor, an Histogramme has been added (Series1). The DataSet is filled in the Data Source. Values are set for Label and Y.

However, after pressing OK, there is no chart desplaying at design time.
When running the application, I get on the screen preview the message 'Dataset "" does not exist.'

Could you please help in tracing the problem?

Thanks

BJL

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