026 SAP Message of Class MR No base material groups exist for higher-level material group &

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026(MR) - No base material groups exist for higher-level material group &

Message number 026 of class MR is used to display message "No base material groups exist for higher-level material group &" and can be triggered using the following ABAP code:

DATA: lv_val1(100) TYPE C.
lv_val1 = '123'.

    MESSAGE E026(MR) WITH lv_val1. "Error message example

    MESSAGE W026(MR) WITH lv_val1. "Warning message example

    MESSAGE I026(MR) WITH lv_val1. "Information message example
See here for more optionsmr026

What causes this issue

The following two causes are possible:

You have entered a material group to which no base material groups are assigned in the material group hierarchy.

The corresponding master data is missing for the base material groups in the hierarchy. This case poses a serious database inconsistency.

System Response

How to fix

Cause 1:

Maintain the missing base material groups in the material group hierarchy.
Cause 2:

Notify your system administrator.
Message text extract from SAP system. Copyright SAP SE.

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