Material status & '&' is not selected for BOM item (plant &)

What causes this issue?

You want to enter a material as a BOM item.

System Response

The system checks the material master record and finds the following
material status:
Cross-plant material status (<LS>Basic data</> view)
Plant-specific material status (<LS>Work scheduling</> view)
In settings in Customizing (Material), at least one of these statuses
contains one of the following values for field <DS:DE.DSTLK>BOM item
note</>:
Error message
Warning message

How to fix this error?

Do one of the following:
<LS>Error message</>
You cannot enter the material as a BOM item.
You can only enter a material as a BOM item if neither of its statuses
has the value <ZH>Error message</> in field <DS:DE.DSTLK>BOM item
note</>.
<LS>Warning message</>
You may need to check the material master record.
If you confirm the warning message, you can enter the material as a
BOM item

Error message extract from SAP system. Copyright SAP SE.