Question Aboat Loan Wage type

I have entered tow loan type for one person..then i execute the payroll schema and i can see tow loans in table RT.

my Problem is in calculation of loans value /LRP....when i want to use the /LRP value it cant change the ESG for PCR and i cant use the /LRP value to reduce from payroll amount ... how can i change the ESG for PCR for /LRP.

Thanks for your response.