https://communities.sas.com/t5/Mathematical-Optimization/PROC-NLP/m-p/59218#M449 I encountered the following problem while using the NLP procedure. Does anyone know what is this error and why is it occuring? Thanks! <BR /> <BR /> ERROR: Write Access Violation In Task [ NLP )<BR /> Exception occurred at (671D29C9)<BR /> Task Traceback<BR /> Address Frame (DBGHELP API Version 4.0 rev 5)<BR /> 671D29C9 0305DD6C sasyoio:mcn_main+0x319C9<BR /> 55C58FED 0305DDFC sasnlp:mcn_main+0x17FED<BR /> 55C580C1 0305DED0 sasnlp:mcn_main+0x170C1<BR /> 55C43928 0305DF70 sasnlp:mcn_main+0x2928<BR /> 55C41268 0305FF8C sasnlp:mcn_main+0x268<BR /> 02682B02 0305FFA4 sashost:Main+0xBE72<BR /> 02686C20 0305FFB8 sashost:Main+0xFF90<BR /> 7D4DFE21 0305FFEC kernel32:FlsSetValue+0x136<BR /> <BR /> ERROR: Signal caught by CMP from PROC. Mon, 03 Nov 2008 12:31:15 GMT deleted_user 2008-11-03T12:31:15Z https://communities.sas.com/t5/Mathematical-Optimization/PROC-NLP/m-p/59218#M449 I encountered the following problem while using the NLP procedure. Does anyone know what is this error and why is it occuring? Thanks! <BR /> <BR /> ERROR: Write Access Violation In Task [ NLP )<BR /> Exception occurred at (671D29C9)<BR /> Task Traceback<BR /> Address Frame (DBGHELP API Version 4.0 rev 5)<BR /> 671D29C9 0305DD6C sasyoio:mcn_main+0x319C9<BR /> 55C58FED 0305DDFC sasnlp:mcn_main+0x17FED<BR /> 55C580C1 0305DED0 sasnlp:mcn_main+0x170C1<BR /> 55C43928 0305DF70 sasnlp:mcn_main+0x2928<BR /> 55C41268 0305FF8C sasnlp:mcn_main+0x268<BR /> 02682B02 0305FFA4 sashost:Main+0xBE72<BR /> 02686C20 0305FFB8 sashost:Main+0xFF90<BR /> 7D4DFE21 0305FFEC kernel32:FlsSetValue+0x136<BR /> <BR /> ERROR: Signal caught by CMP from PROC. Mon, 03 Nov 2008 12:31:15 GMT https://communities.sas.com/t5/Mathematical-Optimization/PROC-NLP/m-p/59218#M449 deleted_user 2008-11-03T12:31:15Z https://communities.sas.com/t5/Mathematical-Optimization/PROC-NLP/m-p/59219#M450 For this type of problem, you should contact Tech Support. Use <A href="http://support.sas.com/ctx/supportform/createForm" target="_blank">http://support.sas.com/ctx/supportform/createForm</A> to enter the problem. To properly diagnose, you will need to provide the PROC NLP call and any data. Mon, 03 Nov 2008 14:45:57 GMT https://communities.sas.com/t5/Mathematical-Optimization/PROC-NLP/m-p/59219#M450 Bengt_SAS 2008-11-03T14:45:57Z