Message type: E = Error
Message class: MR - Stock overview for generic materials
Message number: 001
Message text: Enter either a material or a material group
You have either not entered a material group or a material, or you have
entered both a material group and a material.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Enter either an individual material, a range of materials, or a
material group.
If the material selection results in a list of materials, the total
stocks are first displayed for all of the materials in the list. You
can then branch to the actual stock overview for a particular material.
Error message extract from SAP system. Copyright SAP SE.
MR001
- Enter either a material or a material group ?The SAP error message MR001 ("Enter either a material or a material group") typically occurs in the context of materials management, particularly when trying to create or process a document that requires a material or material group to be specified. This error indicates that the system expects you to provide either a specific material number or a material group, but neither has been entered.
Cause: Missing Input: The most common cause is that the user has not entered a material number or a material group in the relevant field. Incorrect Field: The user may be in the wrong field or transaction where the system expects a different type of input.
Configuration Issues: There may be configuration settings in the system that require certain fields to be filled out, and these settings may not be aligned with the user's input. Authorization Issues: In some cases, the user may not have the necessary authorizations to view or
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