"the specified region if not null must intersect with the images bounds" of debursted interferogram

No, I meant the same but I didn’t recognize it from the my quick first glance, I edited my previous post as well,

Be sure of selecting the same bursts of the IW1-IW3 in each image,

One important point, Which DEM do you select in the step of Back-geocoding? Does this DEM cover the AOI?

Would you please to share the identifier name of both images!

Would you please to use this graph,

CreateSingleInfgm.xml (6.3 KB)