Hello, Trnsys users: I am trying to use the PID Controller by Louis Laret that I found in internet, but I have some problems with it. When compile a proyect with the PID, appears the next error mesage: VISUAL FORTRAN RUN TIME ERROR forttl: severe (61):format\variable_type mismatch, unit 6, file C:\trnsys15\IISiBat3\Data\Proyect1.LST Hope someone can tell me what is wrong. Thank you in advance