I am using a gallery to link to some sub categories. Some of the links within the category work exactly how they should. However there are a few that are adding strange characters on the end, I've re-done the permalinks but it still does it, you cannot see the extra characters in the link section of my gallery admin. Obviously by adding these characters, it is preventing the link from working and giving me the 404 message. It is vital to my website that my links work.
Can anybody think of a reason why they would not? I have tried disabling plugins and also looked for invisible characters.
"%20%E2%80%8E" variants of this are what is being added.
Really hoping someone can help me to solve this! Thanks.