WHENVER I OPEN STAAD PRO ALWAYS SHOWING THIS TYPE OF WARNING DON'T KNOW WHY THIS HAPPEN?????????
You may try the solutions provided in below link.
https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/138019/error-the-information-in-staadpro-ini-is-not-in-the-expected-format-using-basic-units
You may also try to rename folder STAAD.Pro CONNECT Edition into STAAD.Pro CONNECT Edition _1 in the folder C:\Users\User_Name\AppData\Local\Bentley\Engineering\