P: Generative Remove Feedback (Lr Classic & Lr Eco)

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The white ghost of a powerline likely indicates you applied Remove on top of an AI mask (e.g. Sky). Do the menu command Settings > Update AI Settings to recompute the mask and get rid of the ghost.

@CapturingTimePhotography: "There was a hand in the edge of my photo that needed to remove and it will only take it to a shadow of the hand."

1. Uncheck Detect Objects before brushing a selection -- it doesn't work well, especially with skinny objects and along the edges of photos.

2. See this short article for how to remove objects more reliably:
https://www.lightroomqueen.com/generative-remove-replace/

Most complaints about Remove are addressed in the article. But if it doesn't help, please attach a full-resolution JPEG exported from the unmodified original photo (not a screenshot). With nearly every one of the many dozen problem photos posted here, we've been able to show how to quickly remove the desired objects.

@Virginia Photo: "Generative removal failed. We detected a problem with your results. Please check our guidelines and try again."

To see the "guidelines", click the miniscule "?" icon in the upper-right corner of the Remove panel and then click Generative AI User Guidelines.

Adobe's AI is a repressed Victorian and often faints at the slightest hint of skin or small children. In geek speak, it has a high false-positive rate for adult and child p o r n (not allowed to type that in the forum), making it unsuitable for many kinds of innocuous professional use.

@Saycheez: "Generative Remove often does not seem to recognize black lines across the sky and won't remove them."

1. Uncheck Detect Objects before brushing a selection -- it doesn't work well, especially with skinny objects and along the edges of photos.

2. See this short article for how to remove objects more reliably:
https://www.lightroomqueen.com/generative-remove-replace/

Most complaints about Remove are addressed in the article. But if it doesn't help, please attach a full-resolution JPEG exported from the unmodified original photo (not a screenshot). With nearly every one of the many dozen problem photos posted here, we've been able to show how to quickly remove the desired objects.

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@johnh8833050: "Been using the remove tool and all of a sudden got error messge and then saying check guidelines. What guidelines?"

Click the miniscule ? icon and then click Generative AI User Guidelines:

Adobe's AI has a Victorian sensibility and oten faints at the slightest hint of skin or small children. In geek speak, it has a high false-positive rate for adult and child p o r n (not allowed to type that in the forum), making it unsuitable for many kinds of innocuous professional use.

@alexandrephotog: "Generative remove has a lot of difficulty with teeth!"

Are you trying to remove teeth? What would you like to replace them with? Please post before and after full-resolution screenshots (not phone pics) of the entire LR window showing the difficulty you're having. 

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@Tommy York: "I tried to remove a license plate, and I'm not sure what I was expected, but I got some crazy patterns"

Make sure you select every bit of the license plate's frame as well as any shadows it casts. Otherwise, Remove will try to generate a replacement that it thinks best matches the unselected bits.

For example:

If this doesn't help, please attach a full-resolution JPEG exported from the unmodified original photo (not a screenshot). With nearly every one of the many dozen problem photos posted here, we've been able to show how to quickly remove the desired objects.

@dryna_2693: "The new gen. removal spot, I had two of the same pictures. The first picture it removed the objects. On the sencond pictures I tried removing the same objects and it didn't work."

Most likely, there was a subtle difference between the two photos and what you were selecting.  Please attach a full-resolution JPEG exported from the unmodified original problem photo (not a screenshot) and call out what you're trying to remove. With nearly every one of the many dozen problem photos posted here, we've been able to show how to quickly remove the desired objects.

@t.linn: "I find that Generative Remove struggles with noisy images. The replaced pixels don't replicate the noise pattern, leaving me with a spot that looks denoised."

Many have observed here that the replacements made by Generative Remove sometimes don't match the photo's tone or noise. To get better matches, these techniques sometimes help:

1. Adobe recommends applying Denoise before Remove. This can reduce the noise, making it more likely the replacement will match.

2. The replacement patch supplied by Adobe Firefly has a maximum size of 2048 x 2048 pixels. If the selected area in the photo is larger than that, then the replacement patch gets upscaled (and blurry). Try removing smaller selections if possible.

3. Conversely, try making a larger selection, even including the entire background. Upscaling of the replacement sometimes won't be noticeable then.

4. Sometimes there's a distinctly visible boundary where the tone or noise don't match. You can often use the heal tool around the boundary to get better feathering and make it less noticeable -- apply Heal in small brush strokes. Or use a Brush mask with maximum feathering, dropping local Texture, Clarity, and Sharpness to their minimum values. Sometimes, making a very raggedy selection around the object makes the boundary less noticeable.

5. For grain/noise in particular, see this post for how to ameliorate the problem by adding the grain back or reducing the grain:
https://community.adobe.com/t5/lightroom-classic-discussions/p-generative-remove-feedback-lr-classic-amp-lr-eco/m-p/14917497#M382464