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MDG-M Reference characteristic - value cannot be selected

Hello Experts,

We are implementing SAP MDG 7 with Standard MM Data Model.

We are getting below warning in classification data copy while creating new material using reference material.

Reference characteristic - value cannot be selected

Message no. C1807


The characteristic to which you want to assign values is a reference characteristic in the SAP System. You cannot select a value.

Any idea on this issue?

Please help.

Former Member
Former Member replied

Please check the classes & characteristics assigned to your source material. I'm pretty sure those contain reference characteristics that reference a field of the material itself. These chars cannot be set, as they mirror one of the material fields itself.

See here for details: Creating Reference Characteristics - Characteristics (CA-CL-CHR) - SAP Library

This is of course a bug, and if the SNOTE

2105519 - Reference material with reference characteristics not transferred completely

is not fixing it, then you should open an OSS for this.

Kind regards


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