text: xilinx translation error - logical root block 'memory_blk' with type 'memory_blk' is? i get the following error when i translate a simple memory block.  error:ngdbuild:605 - logical root block 'memory_blk' with type 'memory_blk' is what was the rest of the error? it could be your i/o lines undefined (input, output, bidirectional). or an output being used as an input, input being used as an output...