Error: Ambiguous values found for non-root attributes XYZ in source master data type

Hi Experts,

In our system we have to build a product hierarchy based on the concept that:

3 Digit -> 5 Digit -> PRDID where 3 Digit is the highest level in the hierarchy and PRDID is the lowest. We have prepared the Planning Levels accordingly however when we try to place data in Product MDT we are getting following error:

Ambiguous values found for non-root attributes 3-DIGIT in source master data type PRODUCT using root attributes 5-DIGIT for planning level PA.Z5DIGIT.

The construction of the Planning Level Z5DIGIT is as follows:

- PERIOD - > Root PERIODID

- PRODUCT -> Root 5 DIGIT , other members-> 3DIGIT

The construction of the Planning Level Z3DIGIT is as follows:

- PERIOD - > Root PERIODID

- PRODUCT -> Root 3DIGIT

Can anyone please what exactly might be causing the issue?

Regards,

Sourojit