https://communities.sas.com/t5/SAS-Procedures/Write-Access-Violation-In-Task-MIXED/m-p/340755#M63263 <P>A message like this indicates a bug -- some condition that the code (PROC MIXED in this case, I think) can't handle. &nbsp;I recommend that you follow up with SAS Technical Support. &nbsp;Supply&nbsp;your SAS version number and whether you have any hotfixes installed. &nbsp;They'll be able to tell you whether this is a known problem with a fix available.</P> Tue, 14 Mar 2017 12:46:54 GMT ChrisHemedinger 2017-03-14T12:46:54Z https://communities.sas.com/t5/SAS-Procedures/Write-Access-Violation-In-Task-MIXED/m-p/340753#M63262 <P>Hi&nbsp;</P><P>Does anyone know what this error means?&nbsp;</P><P>&nbsp;Thanks!</P><P>&nbsp;</P><P><FONT color="#FF0000">ERROR: Write Access Violation In Task [ MIXED ]</FONT><BR /><FONT color="#FF0000">Exception occurred at (0DB47314)</FONT><BR /><FONT color="#FF0000">Task Traceback</FONT><BR /><FONT color="#FF0000">Address Frame (DBGHELP API Version 4.0 rev 5)</FONT><BR /><FONT color="#FF0000">000000000DB47314 000000000AFDD8E0 sasmixed:mcn_main+0xC6314</FONT><BR /><FONT color="#FF0000">000000000DAE713F 000000000AFDEDA0 sasmixed:mcn_main+0x6613F</FONT><BR /><FONT color="#FF0000">000000000DA81687 000000000AFDFEF0 sasmixed:mcn_main+0x687</FONT><BR /><FONT color="#FF0000">0000000003935B2E 000000000AFDFEF8 sashost:Main+0xE176</FONT><BR /><FONT color="#FF0000">000000000393A985 000000000AFDFF50 sashost:Main+0x12FCD</FONT><BR /><FONT color="#FF0000">00000000773259CD 000000000AFDFF58 kernel32:BaseThreadInitThunk+0xD</FONT><BR /><FONT color="#FF0000">000000007755A561 000000000AFDFF88 ntdll:RtlUserThreadStart+0x21</FONT></P> Tue, 14 Mar 2017 12:39:39 GMT https://communities.sas.com/t5/SAS-Procedures/Write-Access-Violation-In-Task-MIXED/m-p/340753#M63262 Sfzz 2017-03-14T12:39:39Z https://communities.sas.com/t5/SAS-Procedures/Write-Access-Violation-In-Task-MIXED/m-p/340755#M63263 <P>A message like this indicates a bug -- some condition that the code (PROC MIXED in this case, I think) can't handle. &nbsp;I recommend that you follow up with SAS Technical Support. &nbsp;Supply&nbsp;your SAS version number and whether you have any hotfixes installed. &nbsp;They'll be able to tell you whether this is a known problem with a fix available.</P> Tue, 14 Mar 2017 12:46:54 GMT https://communities.sas.com/t5/SAS-Procedures/Write-Access-Violation-In-Task-MIXED/m-p/340755#M63263 ChrisHemedinger 2017-03-14T12:46:54Z