https://forums.autodesk.com/t5/autocad-forum/modeling-operation-error-error-code-number-is-101011/m-p/10327771#M77588 It's a generic error message: read this <A href="https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/Error-Modelling-operation-Error-Error-code-Number-is-101051-while-using-LOFT-in-AutoCAD.html" target="_blank">https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/Error-Modelling-operation-Error-Error-code-Number-is-101051-while-using-LOFT-in-AutoCAD.html</A><BR /><BR />Then explore here for other things to try if that was not it <A href="https://www.google.com/search?q=autocad+loft+error%3A+Modeling+Operation+Error%3A+Error+Code+Number+is+101011" target="_blank">https://www.google.com/search?q=autocad+loft+error%3A+Modeling+Operation+Error%3A+Error+Code+Number+is+101011</A> Thu, 20 May 2021 21:31:25 GMT pendean 2021-05-20T21:31:25Z https://forums.autodesk.com/t5/autocad-forum/modeling-operation-error-error-code-number-is-101011/m-p/10327580#M77587 <P>I'm receiving this message while performing a loft operation. Some work fine, then the lower ones return the error. You'd think Autodesk would make error codes available...</P><P>&nbsp;</P><P>See attached dwg.</P> Thu, 20 May 2021 20:16:28 GMT https://forums.autodesk.com/t5/autocad-forum/modeling-operation-error-error-code-number-is-101011/m-p/10327580#M77587 DaveFuller 2021-05-20T20:16:28Z https://forums.autodesk.com/t5/autocad-forum/modeling-operation-error-error-code-number-is-101011/m-p/10327771#M77588 It's a generic error message: read this <A href="https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/Error-Modelling-operation-Error-Error-code-Number-is-101051-while-using-LOFT-in-AutoCAD.html" target="_blank">https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/Error-Modelling-operation-Error-Error-code-Number-is-101051-while-using-LOFT-in-AutoCAD.html</A><BR /><BR />Then explore here for other things to try if that was not it <A href="https://www.google.com/search?q=autocad+loft+error%3A+Modeling+Operation+Error%3A+Error+Code+Number+is+101011" target="_blank">https://www.google.com/search?q=autocad+loft+error%3A+Modeling+Operation+Error%3A+Error+Code+Number+is+101011</A> Thu, 20 May 2021 21:31:25 GMT https://forums.autodesk.com/t5/autocad-forum/modeling-operation-error-error-code-number-is-101011/m-p/10327771#M77588 pendean 2021-05-20T21:31:25Z https://forums.autodesk.com/t5/autocad-forum/modeling-operation-error-error-code-number-is-101011/m-p/10327807#M77589 <P>Thanx, Dean. I've been to both of those, and a number more... I have come up with a somewhat cumbersome work around.&nbsp;</P><P>&nbsp;</P><P>Stay safe</P> Thu, 20 May 2021 21:49:48 GMT https://forums.autodesk.com/t5/autocad-forum/modeling-operation-error-error-code-number-is-101011/m-p/10327807#M77589 DaveFuller 2021-05-20T21:49:48Z