1.
Is Blocking Key assigned to material master in basic data 1 view in X plant material status, if yes, remove blocking key and create PR & PO. Or check source list(ME01) is material blocked for procurement, if yes, remove it and save .Now go for creation of PR & PO of material.
The blocking keys(01-Block for procurement" and "BP-Block for purchasing), as you have, the
code and description may be different but properties are same and both are cause for same purpose which is not allowing you to creates PR & PO as procurement and purchasing both looks very much similar word as designed by your consultant!
You can find out both keys ( 01 and BP) details in following path , where Purchasing segment set B in field of. Purchasing msg.
SPRO > Logistics -General > Material Master > Settings for Key Fields > Define Material Statuses
Now as needed/required by you remove the Blocking Key 01 or BP and try to create PR & PO! So you are able to create PR & PO
X-Plant status - Meaning of that number
01 - Obsolete
03 - Hibernate/standby
05 - Discontinue
10 - Concept
11 - Pending production
15 - Engineering model
20 - prototype
30 - o-series
40 - serial production
45 - project production
50 - specila production
55 - phase out