Hi!
Please refer to the below paragraph, while also checking the parameter which you set (correctly or not):
ParameterValueStruct definition Name Type Description Name string(256) This is the name of a Parameter. Value any This is the value the Parameter is to be set. If there is a fault due to one or more parameters in error, the fault response for this method MUST include a SetParameterValuesFault element for each parameter in error. In this case, the primary fault code indicated for the overall fault response MUST be Invalid Arguments (9003). The following fault codes are defined for this method: 9001, 9002, 9003, 9004, 9005, 9006, 9007, 9008.