No value of commitment showing on S_ALR_87013558 report

Hi All,

I have created a project and from that project I have created external activities.So from that external activity, PR is created and base on that PR,I have created PO. When I run S_ALR_87013558 report, so commitment field showing me zero values as it should show me PO value. Below is the screen shot of S_ALR_87013558 report.

Regards,

Faizan