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Hi I was trying to a add a custom peripheral to the AVR8 core and I wanted to use a schematic to connect it all. I simply copied the AVR8 250k Xilinx project and made a schematic symbol out of the AVR8 core, I commented the DCM out and added an external to better control the clocks of my project later. But I now have trouble to compile the hohle thing. I get a lot of errors. a picture:https://www.dropbox.com/s/v9ndbidje15g5rg/Neues%20Bild.bmp?dl=0 Processing BMM file "Papilio_AVR8.bmm" ... ERROR:NgdBuild:989 - Failed to process BMM information Papilio_AVR8.bmm and a lot of memory allocation leak errors. I changed nothing in the vhdl files, exept the DCM, I tried with the original DCM setup it isn't the reason for the errors. I don't know if this could be a reason, but the bmm file isn't in the same place in the hierarchy view of ISE, it is now outside of the Papilio_AVR8 and now part of the main schematic. (see picture) If someone has a clue.. Thanks