The Zone is not fully enclosed

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Hello. I keep receiving this warning below and the same subject I found on Unmethours did not help me. Warning * CalculateZoneVolume: The Zone="ENTIRE HOUSE" is not fully enclosed. To be fully enclosed, each edge of a surface must also be an edge on one other surface. * ~~~ * The zone volume was calculated using the floor area times ceiling height method where the floor and ceiling are the same except for the z-coordinates. * ~~~ * The surface "SOUTHWALLGROUNDFLOOR" has an edge that is either not an edge on another surface or is an edge on three or more surfaces: * ~~~ * Vertex start { 12.0000, 0.0000, 3.7000} * ~~~ * Vertex end { 0.0000, 0.0000, 3.7000} * ~~~ * The surface "NORTHWALLGROUNDFLOOR" has an edge that is either not an edge on another surface or is an edge on three or more surfaces: * ~~~ * Vertex start { 0.0000, 7.0000, 3.7000} * ~~~ * Vertex end { 12.0000, 7.0000, 3.7000} * ~~~ * The surface "EASTWALLGROUNDFLOOR" has an edge that is either not an edge on another surface or is an edge on three or more surfaces: * ~~~ * Vertex start { 12.0000, 7.0000, 3.7000} * ~~~ * Vertex end { 12.0000, 0.0000, 3.7000} * ~~~ * The surface "WESTWALLGROUNDFLOOR" has an edge that is either not an edge on another surface or is an edge on three or more surfaces: * ~~~ * Vertex start { 0.0000, 0.0000, 3.7000} * ~~~ ** Vertex end { 0.0000, 7.0000, 3.7000}

I have a basement and two above-grade floors (residential) and a gable. I have three zones: basement, gable, and other spaces are defined as one zone. I sketched the geometry in Sketchup. I sketched different houses in terms of area ( but same zoning strategy) and the warning is still there for all of them. I use "Euclid" plugin. I should mention that the four lines that are mentioned in the warning message appeared in all of the geometries that I tested but there is more vertice mentioned in the warning in some geometric like below. I checked the vertices in SketchUp and E+ several times but they seem correct. I really cannot figure it out. Also, I was wondering why I don't have the same issue with the upper-floor ceiling. Why do I just have this issue in the Groundfloor ceiling (upperfloor Floor)? The most confusing thing is that I have this warning for the basement's walls in one model and the other one is fine with the vertices of the walls. I did surface matching in SketchUp and also checked the boundary conditions in E+ and all seem fine.

* Warning * CalculateZoneVolume: The Zone="BASEMENT:UTILITYROOM" is not fully enclosed. To be fully enclosed, each edge of a surface must also be an edge on one other surface. * ~~~ * The zone volume was calculated using the floor area times ceiling height method where the floor and ceiling are the same except for the z-coordinates. * ~~~ * The surface "SOUTHUPPERWALLBASEMENT" has an edge that is either not an edge on another surface or is an edge on three or more ... (more)