How To Fix LB501 - Please maintain a planned value for characteristic &1

LB501 - Overview

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 501

• Message text: Please maintain a planned value for characteristic &1

What causes this issue?

You have not maintained a planned value used for converting unit of
measure &V2& to the <DS:GLOS.3526BF21AFAB52B9E10000009B38F974>base unit
of measure</>.

How to fix this error?

Maintain a <DS:DE.ATWRT_WS>planned value</> for characteristic &V1&.
&FURTHER_HINTS&
The planned value must be within the target interval that you
maintained for characteristic &V1& for the
<DS:GLOS.3526B515AFAB52B9E10000009B38F974>batch class</> of the
material.
The planned value must not adopt the &V3& &V4& value.

Error message extract from SAP system. Copyright SAP SE.

LB501 - Details

• The SAP error message LB501, which states "Please maintain a planned value for characteristic &1," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar planning modules. This error indicates that a required characteristic (like a product, location, or other planning-related attribute) does not have a planned value set, which is necessary for the planning process to proceed.
  
  Cause:
  
  Missing Data: The characteristic specified in the error message does not have a planned value assigned in the relevant planning book or data view.
  
  Configuration Issues: There may be issues with the configuration of the planning area or planning book that prevent the system from recognizing or using the planned values.
  Data Transfer Issues: If data is being transferred from another system (like an ERP system), there may have been an error in the data transfer process that resulted in missing values.
  
  
  Solution:
  
  
  Maintain Planned Values:
  
  Navigate to the relevant planning book or data