Transaction or function is only available for oil materials

What causes this issue?

This transaction or function is available only for materials specific to
the oil industry.

System Response

Error. The system cannot continue processing. The Quantity Conversion
Interface (QCI) is called for a non IS OIL material.

How to fix this error?

Access of this transaction/function is only possible for materials
specific to the oil industry.
The possible values for the technical field MARA-CMETH are:
Blank = non-oil materials
1 = Oil materials
2 = Tariffs and excise duty materials (also a type of oil material).
MARA-CMETH is set when the material is maintained in the material master
by the following parameters: If a conversion group has been maintained
for the material, then CMETH will be <ZH>1</>. If an excise duty tax
group has been maintained, but no conversion group, then CMETH will be
<ZH>2</>. If no conversion group and no excise duty tax group has been
maintained, then CMETH will be blank.

Error message extract from SAP system. Copyright SAP SE.