This is an extension of d223775e011ac1d8253b4488ec2d941b2dd3e8a9, invalid dates in pivot table are properly handled but the flages of the fields are not handled. bug-document: ooo72278-2.xls Change-Id: I12469386fb07c4d4922fc0853c6d4d246b97b310 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/202868 Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com> Reviewed-by: Michael Stahl <michael.stahl@collabora.com> Signed-off-by: Xisco Fauli <xiscofauli@libreoffice.org> Reviewed-on: https://gerrit.libreoffice.org/c/core/+/204262 Tested-by: Jenkins