Good afternoon! If the PNG file extension ends with: "PNG" and not "png", an error is displayed about the inability to attach the file. Although the file is correct, if the extension is changed from "PNG" to "png" in the same file, the file is attached correctly.
![Capture.png](//image.easyeda.com/pullimage/HqISh8YsXHZxh6jejWi1CCrOSWeYEbStKHI92Ebk.png)
Chrome
78.0.3904.97
Windows
10
EasyEDA
6.2.46