在constraint manager中,在DDR1_A总线的文本框中单击鼠标右键,然后选择SigXplorer命令,弹出:The global Signoise configuration file cds_signoise.cfg cannot be read or is not found in the SIGNOISE path.If the file exists in some other directory,please set a path to that directory in the SIGNOISE env variable.
请问,该怎么解决这个问题?