Error: Failed to refresh PTF file G:/ExerciseProgramfiles/NiosIILAB/kernal.ptf (-1)

[Altera_Forum]

Rencently i am using sopc builder to build a small sopc projcet （the following picture） 

https://www.alteraforum.com/forum/attachment.php?attachmentid=6830   when finished an try to generate an error turned up as follws：  i'm using win7 + qii 11.0 + nios 11.0  Error: Failed to refresh PTF file G:/ExerciseProgramfiles/NiosIILAB/kernal.ptf (-1)   Info: Finished elaborating module.   Executing: D:/altera/11.0/quartus//sopc_builder/bin/sopc_builder --classic --generate G:/ExerciseProgramfiles/NiosIILAB/kernal.ptf     Error: Couldn't run process D:/altera/11.0/quartus//sopc_builder/bin/sopc_builder --classic --generate G:/ExerciseProgramfiles/NiosIILAB/kernal.ptf successfully this picture is the errors:  https://www.alteraforum.com/forum/attachment.php?attachmentid=6829

[Altera_Forum]

I have problem like you, so you fix this problem yet?  

Can you help me to fix this problem Error: Failed to refresh PTF file Info: Finished elaborating PTF file. Executing: C:/altera/91sp2/quartus//sopc_builder/bin/sopc_builder --classic --generate C:/altera/lab_Nios/lab_1/nios_system.ptf Error: Couldn't run process C:/altera/91sp2/quartus//sopc_builder/bin/sopc_builder --classic --generate C:/altera/lab_Nios/lab_1/nios_system.ptf successfully Error: System generation failed.