No values assigned to char. &1 &2 in process instruction &3 phase &4

What causes this issue?

No value assigned to characteristic &V1& &V2& in process instruction
&V3& for phase &V4&. The control recipes are not created.

System Response

The system does not create any control recipes.

How to fix this error?

RESET N1
First assign a value to characteristic &V1& &V2& in process instruction
&V3& for phase &V4&.
Then choose the function for creating control recipes again.

Error message extract from SAP system. Copyright SAP SE.