SAP Message AP275 - Separate numeric from alphanummeric segments by a special character

Diagnosis
You tried to create a coding mask in which a numerical segment(placeholder = 0) and an alphabetical segment (placeholder = X) arenext to each other. However, this is not allowed.

System Response
The coding mask is not created.

Procedure
Separate numerical segments from alphabetical segments in the codingmask using a special character.