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    <title>topic Critical EXT2 error !!! in 3ds Max Forum</title>
    <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5971388#M82442</link>
    <description>&lt;P&gt;The compound IsNullFix has screwed things up instead of 'fixing' whatever it was trying to fix...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Various of my tools no longer compile...but let's use official AD tools as examples.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;If you have EXT2 applied, Channel Invert Color.maxtool will not compile or try Channel AddOrSub.maxtool...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Basically, anything that calls IsFixNull will more than likely not compile. The old EXT1+SP2 works fine while the new EXT2 does not&lt;/P&gt;&lt;P&gt;&lt;IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/209374i4BA163BA0E770603/image-size/original?v=mpbl-1&amp;amp;px=-1" alt="IsNullFix.jpg" title="IsNullFix.jpg" border="0" /&gt;&lt;/P&gt;</description>
    <pubDate>Mon, 04 Jan 2016 09:11:11 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2016-01-04T09:11:11Z</dc:date>
    <item>
      <title>Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5971388#M82442</link>
      <description>&lt;P&gt;The compound IsNullFix has screwed things up instead of 'fixing' whatever it was trying to fix...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Various of my tools no longer compile...but let's use official AD tools as examples.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;If you have EXT2 applied, Channel Invert Color.maxtool will not compile or try Channel AddOrSub.maxtool...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Basically, anything that calls IsFixNull will more than likely not compile. The old EXT1+SP2 works fine while the new EXT2 does not&lt;/P&gt;&lt;P&gt;&lt;IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/209374i4BA163BA0E770603/image-size/original?v=mpbl-1&amp;amp;px=-1" alt="IsNullFix.jpg" title="IsNullFix.jpg" border="0" /&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 04 Jan 2016 09:11:11 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5971388#M82442</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-01-04T09:11:11Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5972767#M82443</link>
      <description>&lt;P&gt;obviously I meant the IsNullFix compound....any dev reading this ?&lt;/P&gt;</description>
      <pubDate>Mon, 04 Jan 2016 22:04:08 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5972767#M82443</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-01-04T22:04:08Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5972905#M82444</link>
      <description>&lt;P&gt;...ok...how about the very basic Channel Copy.maxtool.....even that won't compile...that's the basic building block for a lot of others....&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;IsNullFix is used in the following:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;MapChannelExists&lt;/P&gt;&lt;P&gt;MapChannelCombine&lt;/P&gt;&lt;P&gt;MapChannelLerp&lt;/P&gt;&lt;P&gt;PerVertexDataOrZeros&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;and MapChannelExists is used in the following:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;CopyMapChannel&lt;/P&gt;&lt;P&gt;GetMapChannelAndValidate&lt;/P&gt;&lt;P&gt;GetMapChannelOrCreate&lt;/P&gt;&lt;P&gt;MapChannelCopyVertexBuffer&lt;/P&gt;&lt;P&gt;MapChannelTransform&lt;/P&gt;&lt;P&gt;MeshClearCustomMapChannels&lt;/P&gt;&lt;P&gt;MeshCopyCustomMapChannelVertexBuffers&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;so it just snowballs.......PLEASE FIX THIS&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 04 Jan 2016 23:08:11 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5972905#M82444</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-01-04T23:08:11Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5972976#M82445</link>
      <description>&lt;P&gt;even something this simple won't compile...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/209534iABE90D8E4FE830C1/image-size/original?v=mpbl-1&amp;amp;px=-1" alt="IsNullFix_Error.jpg" title="IsNullFix_Error.jpg" border="0" /&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 04 Jan 2016 23:36:40 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5972976#M82445</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-01-04T23:36:40Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5973011#M82446</link>
      <description>&lt;P&gt;right, I'll fix it myself !!!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;why can't it be this simple ?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/209537i16D8C842BFFCF92B/image-size/original?v=mpbl-1&amp;amp;px=-1" alt="IsNullFix_Fix.jpg" title="IsNullFix_Fix.jpg" border="0" /&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 04 Jan 2016 23:49:53 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/5973011#M82446</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-01-04T23:49:53Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6038302#M82447</link>
      <description>&lt;P&gt;Just stumbling in here by accident...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;but did you report the bug you found ?&lt;/P&gt;&lt;P&gt;Talking here to yourself will certainly not cause that to happen&lt;/P&gt;&lt;P&gt;So please file a bug report here&lt;/P&gt;&lt;P&gt;&lt;A href="http://download.autodesk.com/us/support/report_a_bug.html?SelProduct=3dsMax" target="_blank"&gt;http://download.autodesk.com/us/support/report_a_bug.html?SelProduct=3dsMax&lt;/A&gt;&lt;/P&gt;</description>
      <pubDate>Sun, 14 Feb 2016 07:30:59 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6038302#M82447</guid>
      <dc:creator>spacefrog_</dc:creator>
      <dc:date>2016-02-14T07:30:59Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6038338#M82448</link>
      <description>&lt;P&gt;no offence but...I found the bug, reported it IN DETAILS....see screenprints...found the fix....showed the fix....now I gotta waste more time filling forms ?????????? Seems like I'm the only one doing anything on this issue...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Got better thing to do than filling out forms....&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;What are support staff doing ?&lt;/P&gt;</description>
      <pubDate>Sun, 14 Feb 2016 09:17:35 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6038338#M82448</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-02-14T09:17:35Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6055260#M82449</link>
      <description>&lt;P&gt;Sir,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;This is Jon A. Bell, from Autodesk Technical Support.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;User posts on the Area Forums that specifically ask technical support or developer questions typically get "auto-escalated" to our internal support queue. For some reason, your posts on January 4th didn't trigger this, so I'll investigate why this happened.&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;In the meantime,&amp;nbsp;I've forwarded this link to one of our MCG developers, and I'll see what he says.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;However, "Spacefrog" is right -- the best place for posting specific bug reports or feature requests is the &lt;A href="http://download.autodesk.com/us/support/report_a_bug.html?SelProduct=3dsMax" target="_self"&gt;Autodesk Bug Reporting Page.&lt;/A&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;A more direct way to address 3ds Max issues is to go to &lt;A href="http://3dsmaxfeedback.autodesk.com/forums/80695-general-feature-requests" target="_self"&gt;the 3ds Max Feedback Forums&lt;/A&gt;. These forums feature internal developers, QA staff and other Max users, and it's an excellent place to get (and give) information on using Max.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;If you post your important technical support questions and screen captures here on the Area Forums, then please do the same on the Max Feedback Forums if you need direct feedback on a complex new feature such as MCG.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;I hope this information helps.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Best regards,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Jon A. Bell&lt;/P&gt;
&lt;P&gt;Autodesk Technical Support&lt;/P&gt;</description>
      <pubDate>Wed, 24 Feb 2016 21:22:04 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6055260#M82449</guid>
      <dc:creator>jon.bell</dc:creator>
      <dc:date>2016-02-24T21:22:04Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6055426#M82450</link>
      <description>&lt;P&gt;OMG....this IS the MCG forum...how much more DIRECT can you get when you go to THE MCG forum to ask an MCG question ?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;So you're saying&amp;nbsp; the most direct way to ask an MCG question, reporting an MCG bug, is to go somewhere else that is NOT an MCG specific forum...Wow..definitely some funky logic here...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I'll say thanks for all your 'instructions' from everyone on telling me what to do....but I ain't no sheep dutifully following instructions.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Regards.&lt;/P&gt;&lt;P&gt;Vu.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Wed, 24 Feb 2016 23:29:12 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6055426#M82450</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-02-24T23:29:12Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6708180#M82451</link>
      <description>&lt;P&gt;Any News? Still got the following:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Validation failed for B:\Scripte\3ds_max_2016\mcg\tools\Channel Invert Color.maxtool : Compiler error occurred while building expression for node 6:IsNullFix-&amp;gt;18:IsNull. Cannot build a concrete type, there are generic parameters in the type arguments: U.&lt;/P&gt;</description>
      <pubDate>Thu, 24 Nov 2016 16:24:31 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6708180#M82451</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-11-24T16:24:31Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6708524#M82452</link>
      <description>just do the fix I provided, hey Autodesk used it !!!</description>
      <pubDate>Thu, 24 Nov 2016 21:04:32 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6708524#M82452</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-11-24T21:04:32Z</dc:date>
    </item>
    <item>
      <title>Re: Critical EXT2 error !!!</title>
      <link>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6708525#M82453</link>
      <description>just do the fix I provided, hey Autodesk used it !!!</description>
      <pubDate>Thu, 24 Nov 2016 21:04:33 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/3ds-max-forum/critical-ext2-error/m-p/6708525#M82453</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-11-24T21:04:33Z</dc:date>
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