When editing a 26' back to back parabolic gutter section, I've created an irregular gutter using Stormcad software. When I try to use it, the software says "irregular gutter is not a valid selection for this solver. Please select different gutter shape". It is saved and stored in the same library as other gutters that work and can access this irregular gutter section whenever I want it... but it will not run the program when I try to use it.
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