Occasionally, users may experience difficulties when attempting to save newly edited texture files using the Luna Paint Image Editor. To fix this issue you can follow the steps given below:
1) Place your cursor over the white dot next to the .png filename. You will immediately notice the X mark. Click on X to close the file.
2) After clicking the X, you will get the below prompt just select the "Don't Save":
Note: Please be aware that if you close the texture file without saving, any unsaved changes will be lost. To avoid this, consider taking a screenshot of your edited texture file. This can serve as a valuable reference if you need to reedit the file later on.
3) Now close the VSCode and reopen your project.
4) After you reopen the project, just go to the top left corner and select the "File" tab and choose the "Auto Save" Option.
Make Sure that "Auto Save" has turned on.
After turning on the "Auto Save" VSCode will automatically save your changes whenever you edit a texture file. While editing, a white dot will appear to signify that modifications have been made to the texture file. This dot will subsequently disappear, signaling that VSCode has successfully saved your changes. If you're making rapid changes to the texture file, the white dot may be continuously visible throughout the editing process. Once you finish editing, the white dot will disappear after a brief delay of about 4-5 seconds.