If you use non-standard ascii characters in the element names that will be deployed (like VIs, ctls, shared variables ...) in LabVIEW, then your RTEXE will fail to work. You should rename these elements (modify "é" and "è" to "e" for example), and reload them in your project explorer window as well as the RT Main VI.
LabVIEW Error 1 or 6: Input Parameter is Invalid
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