That depends… When you received the file from whatever GIF creator you were using, did you click on it to check if it was usable? Sometimes, a file might become corrupt or unusable if something wrong happens in the process of creating it.
If you tell us more about what you did to create the GIF and how you did it step by step, we would be able to better help you out.
If you tell us more about what you did to create the GIF and how you did it step by step, we would be able to better help you out.