Error evaluating 'PreSaveFcn' callback of Input AlteraBlockset block

I have the same problem as you

when i run the

>> alt_dspbuilder_createComponentLibrary

Error in block : Arria_II_GX_EP2AGX125_alteradspbuilder2/4-Bit DIP Switch

Java exception occurred:

com.altera.dspbuilder.simulation.MaskInitialisationException: Exception in block 'Arria_II_GX_EP2AGX125_alteradspbuilder2/4-Bit DIP Switch'at com.altera.dspbuilder.simulation.Mask.init(Unknown Source)

Caused by: java.lang.NullPointerExceptionat com.altera.dspbuilder.simulation.Model.getAbsoluteTestbenchPath(Unknown Source)at com.altera.dspbuilder.simulation.Model.getValidIOFile(Unknown Source)at com.altera.dspbuilder.simulation.Model.getSaltFileForBlock(Unknown Source)at com.altera.dspbuilder.simulation.blocks.IOBlock.getIOFile(Unknown Source)... 1 more

An error occurred during a callback while saving

'C:\altera\12.1sp1\quartus\dsp_builder\bin\mdllibrary\Arria_II_GX_EP2AGX125_alteradspbuilder2.slx'.

The previously saved version of this file (if any) has not been changed.

Error in save_system (line 38)

throw(e);

Error in

C:\altera\12.1sp1\quartus\dsp_builder\bin\matlab\alt_dspbuilder_createComponentLibrary.p>alt_dspbuilder_createComponentLibrary

(line 28)