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Hi, if I do a group comparison (Chin test), comes this message: "A singular matrix occurred during the estimation of the outer weights of ablock. Using more indicators could solve the problem." What does it mean? Is my sample too small? Actually, my model has many items. Can someone help m...

Hello everybody! I am currently using the PLS program. Unfortunately, I now have a big problem at structure model level. I hope someone can help me. The constructs as well as the model have passed all quality tests. Unfortunately I noticed now that a construct has negative influence on model plane (...