I have create a PL for example : vhpFO1ui.pl with PROLIB syntax and add (arl_listUI.r) into it. PROPATH in .ini are set to the PL file directory path. There are 2 cases : a program called arl_listUI.r in PL it returns an error. (source with package name). I have tried to remove package name in source file (.cls), compile and add it into PL. When a program called it, it's just crash. No .exe left in task manager either. (without package name). P.S. : It works well if the programs (.r) are placed in directory (with package name). There are thousands of programs, it would be better if it works with PL (for long-term update on client side). Any suggestion? Continue reading...