When I enter material in sales order , I am getting below error what could be the reason
pls
Substitution EC-PCA1 not found
Substitution EC-PCA1 not found
Message no. GB127
Diagnosis
A substitution does not exist under this name.
System Response
None
Procedure
Select a different substitution or create a new one.
This name , EC-PCA1, is not all relevant to our material .what should I do correct pls .