what does this function take as input parameter for setting the language of an SAP Job?
language_code? (e.g. "HU" for Hungarian )language_string? (e.g. "Hungarian" - since within User Interface the language is written as full word).
Our Java-API documentation states:
"The parameterlanguagemust be a Empty or two letter code as defined by ISO-639."
Try to use two lower case letters, because that is how it is defined in the ISO-639.