I have received a letter from my ex husband's solicitor asking to see his children...the only thing is that 1. the information in the letter is not correct..for example it states I have 2 daughters but in reality I have a daughter and a son. Also one of the children s date of birth is not correct..and 2. This letter I received it via what's up from my ex..so not through an official email or letter box. Is this still valid or do I need to get it from his solicitor direct since our communication (me and my ex) is very poor.I really don't know what to do...