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This error message indicates that your Delphi is still referencing old units/packages. Could you please check the points I described here? If you haven't installed v7 packages either ReportBuilder or DevExpress components may have installed them.I have moved to a new laptop and restalled Delphi7 and other third party components from scratch. TeeChart 8 wont install and says "Cannot load package 'tee87' It contains unit TeeAbout which is also contained in package tee70. I never loaded Teechart 7. Things I have loaded include ReportBuilder and DevExpress. I notice ReportBuilder has TeeChart 4.40 Components listed.
Yes, when installing ReportBuilder and TeeChart together you should first check with Digital Metaphors if the RB version you have is compatible with your TeeChart version. Digital Metaphors make the TeeChart wrapper for ReportBuilder. You should probably do the same with other 3rd party components. After that you should install RB and TC as I described here. If 3rd party components use TeeChart packages and the manufacturer doesn't provide an automatic mechanism as Digital Metaphors does then you should probably upgrade TeeChart references in those packages doing something as in the QuickReport article here.I've checked again and have also installed Quick Reports and Fast Reports. It seems like I have had this problem before with TeeChart conflicts. Do you have a sequence for loading third party components. For instance, load TeeChart first then FastReports, etc.