Sketch dimensions not updating after making change to design table

I was pleased to run through the best practices for optimizing Solidworks to render models fast at the September meeting but the presentation did not cover the time it takes to solve many equations in Solidworks. Recently, I have transferred many variables and equations to a design table to reduce the number of equations Solidworks needs to solve during a rebuild of a part. However, in both transferring variables and equations from Solidworks to a design table, and deleting the variables and equations in Solidworks, Solidworks created new a problem for me to solve. When I update a global variable written in the Excel spreadsheet that links to a group of sketch dimensions, the sketch dimensions in Solidworks do not update.

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