Error when I run stamps (6,6)

the following error appears when I run stamps (6,6) in SBAS folder, could anyone help, please? by the way I could not apply stamps(1,4) in some of the PATCHs as it contains NaN or 0. do this make the following error in stamps (6,6).
Error using sb_invert_uw (line 95)
There are isolated subsets (cannot be inverted w.r.t. master)

Error in stamps (line 505)
sb_invert_uw

I also encountered this problem. Have you solved it?
If you can, can you teach me?

I expect it means that your small baseline network is not connected enough. If you plot the baselines ( sb_baseline_plot command probably) all of the dots should be connected together by the lines (the lines represent interferograms) but in yours you probably have separate groups of dots that aren’t connected?
If this is the problem then you need more interferograms to connect them up. The StaMPS manual has some information

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