When making multiple stored procedure calls the parameters for one callable statement get associated with another callable statement

I have a program that saves off window size and location for multiple windows when the user selects to save current preferences. Each window creates a callable statements, sets the parameter values and performs an execute. The parameters from one callable statement are being applied to another callable statement. Each callable statement is used only once. The process fails when the wrong parameter type is evaluated at execution. I have verified that the correct data is being set and the exception includes data that was sent by other calls.