Position is't saved in table T528B

Hi Gurus,

I have created Position by PO13 and status also showing accurately fine but when i am going to hire the employee with that position system is showing

Position 00019999 not available

Message no. PG433

Diagnosis

The chosen position number is not available in the position table (T528B).

System Response

An organizational assignment is not possible.

Procedure

Please check the entered position number.

Kindly let me know what is the reason............!

Yours😊

Mohan