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Error Message - Unsolvable Sketch

Potential Error Messages

  • The sketch has not been updated because solving it would result in invalid geometry (such as a zero-length line). Consider:

    • Deleting the invalid geometry.

    • Changing relations or dimensions to eliminate the invalid geometry.

Potential Reasons for These Error Messages

  • Invalid items (default: yellow). The sketch geometry cannot determine the position of one or more sketch entities.

  • Unsolvable items (default: pink). The sketch geometry would be geometrically invalid if the sketch were solved.

To set the color for these items, click Tools, Options, System Options, Colors. For the invalid sketch color, select Sketch, Invalid Geometry in System Colors. For the unsolvable sketch color, select Sketch, Not Solved. Click Edit, select a color, then click OK.

Invalid Geometry Example

 

 

Original sketches with valid dimension

The dimension references a sketch entity that is not valid for this dimension. The invalid sketch item is shown in yellow.

The dimension creates an invalid sketch because it creates a zero-length line.

Potential Solution 1:

Sketch solved by dragging the dimension witness line to a valid entity for this dimension.

 

Potential Solution 2:

Sketch solved by changing the bottom dimension to a value > 25 so the bottom horizontal line is non-zero length.

 

Unsolvable Geometry Example

Original sketch

The dimension of 100 creates an unsolvable sketch because it is impossible for that dimension to exceed the total of the two other triangle sides. The unsolvable sketch is shown in pink.

Potential Solution:

Sketch solved by changing the dimension to a solvable dimension value.

Potential Fixes

  • Drag to reposition the dimension to a valid entity.

  • Delete dimensions or relations.

  • Delete invalid geometry.

  • Edit other dimension values or geometry so there is no conflict.

Other References

SolidWorks Online Help topics:

 

 



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