This issue should be fixed by the release planned on the June, 17th.
By trying to access to Solvay One, you may encounter a " Too many redirects" error.
In case you encounter this issue, please try to clear your cache.
You can find a procedure on how to clear your cache here.
Then, you may be asked again to enter your Solvay credentials (ID & password).
The best way to get IT support is to use the new
Service One Platform.