Dimensions change unexpectedly when updating parameters
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I'm working on a phone case that uses parameters to switch between different phone versions. I'm using the Parameter I/O plugin to store the dimensions of each phone in CSV files. Importing a CSV file updates all of the parameters to fit the relevant phone version.
I'm having a problem where when I update the parameters, some dimensions that are not in the parameter list will change to arbitrary values.
Fig. 1: The dimensions reference another body, and define a clearance around it.
Fig. 2: After updating to a different parameter set, the dimensions change. They leave the sketch lines where they are, and act like driven dimensions.
I've been working with this file for months now, with 8 different parameter sets. This problem only appeared this week, with the addition of 4 new parameter sets. I've been unable to reproduce the error in another file.