Correlation analysis add-on Struck when command create time-shift signal back to workbench

[Smith Homchaem]

Hi guys,

I'm working on a correlation add-on. After I have adjust correlate and time-shift degree. I clicking a create signal botton to create a time shift or correlate tag back to workbench (as picture). But the process struck with loading icon there ,I have waiting around 15 min and it is not done yet. so is this process require time that long? or can anyone recommend what shoud I do?

thankyou in advanced