No graphic f.control cycle 11 possible. Select. crit. produce no reqmts Message No. PK246

hello,i'm trying to apply automatic kanban calculation through trasnaction PK07. yet no new proposals are created. and when i try to see the calculation graphics i get this message:"

No graphic f.control cycle 11 possible. Select. crit. produce no reqmts

Message No. PK246

any help please? thank you