Results analysis key & is not included

What causes this issue?

The results analysis key the system proposed for the product cost
collector, does not exist.
The results analysis key is proposed as follows:
The repetitive planning profile in the material master record (third
planning screen) for the material you want to produce determines which
order type is used for the product cost collector.
It is the order type which determines which results analysis key is
proposed.

How to fix this error?

Branch to the implementation guide and check the following values:
Which order type is proposed for the product cost collecter using the
repetitive manufacturing profile.
Which results analysis key is proposed for this order type

Error message extract from SAP system. Copyright SAP SE.