https://forums.autodesk.com/t5/civil-3d-forum/part-builder/m-p/13639835#M249 <P>hI&nbsp;<a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/16141701">@c423_bim</a>,<BR /><BR />Some generic checks for Fatal Errors to work through here:-<BR /><A href="https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Fatal-Error-Unhandled-Access-Violation-Reading-0x0000-Exception-at-bcbdad73h.html" target="_blank" rel="noopener">https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Fatal-Error-Unhandled-Access-Violation-Reading-0x0000-Exception-at-bcbdad73h.html</A><BR /><BR />And a thread (without a specific solution) with the same error code.&nbsp;<BR /><BR /><A href="https://forums.autodesk.com/t5/civil-3d-forum/request-for-assistance-quot-unhandled-access-violation-reading/td-p/12482911" target="_blank" rel="noopener">https://forums.autodesk.com/t5/civil-3d-forum/request-for-assistance-quot-unhandled-access-violation-reading/td-p/12482911</A><BR /><BR />Hopefully some checks you can perform from these.<BR /><BR /><BR /></P> Tue, 20 May 2025 08:48:57 GMT ian_chapmanCMEYX 2025-05-20T08:48:57Z https://forums.autodesk.com/t5/civil-3d-forum/part-builder/m-p/13639444#M248 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="c423_bim_0-1747717736101.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1535207i9FDD2D3609B441C4/image-size/medium?v=v2&amp;px=400" role="button" title="c423_bim_0-1747717736101.png" alt="c423_bim_0-1747717736101.png" /></span></P><P>After creating two way pipe and placing in model,this error coming.Please let me know solution</P> Tue, 20 May 2025 05:10:47 GMT https://forums.autodesk.com/t5/civil-3d-forum/part-builder/m-p/13639444#M248 c423_bim 2025-05-20T05:10:47Z https://forums.autodesk.com/t5/civil-3d-forum/part-builder/m-p/13639835#M249 <P>hI&nbsp;<a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/16141701">@c423_bim</a>,<BR /><BR />Some generic checks for Fatal Errors to work through here:-<BR /><A href="https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Fatal-Error-Unhandled-Access-Violation-Reading-0x0000-Exception-at-bcbdad73h.html" target="_blank" rel="noopener">https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Fatal-Error-Unhandled-Access-Violation-Reading-0x0000-Exception-at-bcbdad73h.html</A><BR /><BR />And a thread (without a specific solution) with the same error code.&nbsp;<BR /><BR /><A href="https://forums.autodesk.com/t5/civil-3d-forum/request-for-assistance-quot-unhandled-access-violation-reading/td-p/12482911" target="_blank" rel="noopener">https://forums.autodesk.com/t5/civil-3d-forum/request-for-assistance-quot-unhandled-access-violation-reading/td-p/12482911</A><BR /><BR />Hopefully some checks you can perform from these.<BR /><BR /><BR /></P> Tue, 20 May 2025 08:48:57 GMT https://forums.autodesk.com/t5/civil-3d-forum/part-builder/m-p/13639835#M249 ian_chapmanCMEYX 2025-05-20T08:48:57Z https://forums.autodesk.com/t5/civil-3d-forum/part-builder/m-p/13640176#M250 <P>Confirm you have the pipe catalog assigned properly for the drawing pipe network. Thanks!</P> Tue, 20 May 2025 11:38:32 GMT https://forums.autodesk.com/t5/civil-3d-forum/part-builder/m-p/13640176#M250 Gil_C 2025-05-20T11:38:32Z