2.7. You are trying to act on a layer group
| 2. Causes communes de non-réponse de GIMP |

### 2.7. You are trying to act on a layer group

Figure 4.5. Layer group selected

Layers dialog where a layer group is selected.

How to tell: Check the Layers Dialog to see if the active layer is actually a Layer group. When a layer group is not empty, a small icon or appears in front of the layer group's thumbnail and name. Most actions don't work on a layer group, in which case an error message will show up: « Cannot paint on layer groups. »

How to fix: You need to make a layer active that is not a layer group. Select a layer by clicking it in the Layers Dialog. If the active layer group has a + sign in front of it, it is collapsed. You can click it to expand and show the individual layers inside that group.

2.6. Vous essayez d’agir en dehors du calque |  | 2.8. L’image est en mode de couleurs indexées

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