https://forums.autodesk.com/t5/inventor-forum/grayed-out-dynamic-simulation/m-p/9465949#M146295 <P>When I click on the dynamic simulation button in my assembly file, the list of joints and parts goes grey and I cannot edit, delete or add anything. How do I fix this, please help.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="error.JPG" style="width: 999px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/772586i316F5BD25688DC5C/image-size/large?v=v2&amp;px=999" role="button" title="error.JPG" alt="error.JPG" /></span></P> Tue, 19 May 2020 10:20:18 GMT Anonymous 2020-05-19T10:20:18Z https://forums.autodesk.com/t5/inventor-forum/grayed-out-dynamic-simulation/m-p/9465949#M146295 <P>When I click on the dynamic simulation button in my assembly file, the list of joints and parts goes grey and I cannot edit, delete or add anything. How do I fix this, please help.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="error.JPG" style="width: 999px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/772586i316F5BD25688DC5C/image-size/large?v=v2&amp;px=999" role="button" title="error.JPG" alt="error.JPG" /></span></P> Tue, 19 May 2020 10:20:18 GMT https://forums.autodesk.com/t5/inventor-forum/grayed-out-dynamic-simulation/m-p/9465949#M146295 Anonymous 2020-05-19T10:20:18Z https://forums.autodesk.com/t5/inventor-forum/grayed-out-dynamic-simulation/m-p/9466209#M146296 <P>Hi! I believe you need to close the the animation player and get back to the edit mode.</P> <P>Many thanks!<BR /><BR /></P> Thu, 23 Apr 2020 21:52:47 GMT https://forums.autodesk.com/t5/inventor-forum/grayed-out-dynamic-simulation/m-p/9466209#M146296 johnsonshiue 2020-04-23T21:52:47Z https://forums.autodesk.com/t5/inventor-forum/grayed-out-dynamic-simulation/m-p/9467992#M146297 <P>@Anonymous&nbsp;</P> <P>Note the position of your Simulation Player playhead.</P> <P>You need to Rewind and go back to Construction in the Simulation Player.</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Construction.png" style="width: 591px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/759876i5619127C1793147B/image-size/large?v=v2&amp;px=999" role="button" title="Construction.png" alt="Construction.png" /></span></P> Fri, 24 Apr 2020 15:19:32 GMT https://forums.autodesk.com/t5/inventor-forum/grayed-out-dynamic-simulation/m-p/9467992#M146297 JDMather 2020-04-24T15:19:32Z