4096	Not a GIF file
4098	Insufficient memory to load file
4099	Unable to open file
4100	Unable to create file
4101	Failure in GIF decode (file may be corrupted)
4102	Invalid GIF open method
4103	Parameter validation error
4105	Load aborted
4106	Invalid code size for image
4107	No image found
5120	Part of the image lies outside the defined GIF screen
5121	Invalid image in file
5122	Invalid (short) Graphic Control Extension in file
5123	Invalid (short) Plain Text Extension in file
5124	More text than fits in defined area
5125	Unable to create font for text rendering
5126	Unable to create palette for image rendering
5127	Image depth doesn't match GIF header depth
5128	Premature EOF - file may not be complete
5129	Invalid GIF tag