after running MRP and enter the session tirpt1501m000,form 3,I found that the field of calc. bottleneck work centerit is empty,the field of capacity is 0,I don't know why,did anyone who had met the same question.who can give me help.thks!

my system is baan iv c4 sp6.

Run tirou1201m000 (Calculate Bottleneck Work Center and Production Rate)