error on adsorption locator

I want to perform a calculation using the adsorption locator (MS 5.5), but always get the same error with the words below:

ERROR: Failed to import forcefield document.

An error was encountered at line number 45 of the .off file.

Does anyone know what might be happening, and what should I do to correct?

Materials Studio already reinstalled the windows, but the error keeps happening.

I use the Universal force field