The phrase "inaccurate claims" refers to statements or information that are not correct or true. It means that the claims being made are inaccurate or false, and should not be believed or trusted. Full definition
They make inaccurate claims about some of the most basic principles of Christian doctrine. (faith.org.uk)
Make sure they are accurate, and that they do not set unrealistic expectations or make inaccurate claims about your services. (lawyerist.com)
Funny there's no mention of the two books I've written about that organization — or any allegation of untrue or inaccurate claims in those books. (nofrakkingconsensus.com)