MANUFACTURING/SHAPE PROBLEMS circle meaning ?

Question

Hello, 
 
 Whuile designing a top/bottom layer GND shape, I encountered something I had never seen to this date, a yellow circle figure on the Manufacturing/shape problems layer : 
 
 This is bottom layer. Internal layers are either tracks or planes. There is no apparent "problem" with the shapes. Spacing is ok, minimum aperture width is ok... 
 When I click "info" on the circle, it doesn't give me any indication on what is going wrong... 
 
 Anyone know what that means ? I found a doc by parallel system that tries to explain it but it doesn't seem to make much sense in this case. 
 
 This is with OrCAD PCB Editor Pro 17.4 on Windows.

B Bruekers · Answer

"manufacturing/shape problems" is not a default subclass from Allegro. 
 With other words, this is most likely generated by some 3rd party tooling doing certain shape checks.

DavidJHutchins · Answer

This is generated by the Cadence command 'shape check', below is the documentation: 
 Shape Check 
 Shape &ndash; Check executes legacy code that works on a single shape at a time. It&rsquo;s most useful on a shape that fails to run through Gerber 4x or 6x, but not as relevant for raster artwork. In theory, a vector-based dynamic shape should process without problems, but a mix of user-added and dynamic-generated voids might cause issues, along with user-defined void patterns that are too close to each other or have edges that the Minimum Aperture field (defined in the Global Dynamic Shape Parameters dialog box) could not outline.

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MANUFACTURING/SHAPE PROBLEMS circle meaning ?

Shape Check

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