The following example clarifies the meaning of the setting option Save location.

Problem

An error message Unknown variable:

If you created a variable with Save location "Only in table" (saving in the tab/tac file) and now want to use it in the Sketcher the error message Unknown variable is displayed.

Solution

Save the respective variable with Save location "In geometry and table" (saving in tab/tac file AND 3db file).

-> Now the variable can be used in the sketch.