Ps4 special characters not working e.g. £

On Minecraft Ps4 Bedrock edition, I can't use my special character for my Minecraft world. I also use coloured signs which don't work anymore as my special characters aren't working. I can still use the basic special characters but not the other ones. When I do type it in it comes up blank and the whole of the rest of the text become blank. I hope that you can help as it is very frustrating for me and many others as well.