How To Fix TPDA020 - Horizontal maximization not possible

TPDA020 - Overview

• Message type: E = Error

• Message class: TPDA - Debugger

• Message number: 020

• Message text: Horizontal maximization not possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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TPDA020 - Details

• The SAP error message TPDA020: Horizontal maximization not possible typically occurs in the context of SAP's planning and optimization tools, such as SAP APO (Advanced Planning and Optimization) or SAP IBP (Integrated Business Planning). This error indicates that the system is unable to perform a horizontal maximization operation due to certain constraints or conditions not being met.
  Causes:
  
  Data Constraints: The data being processed may have constraints that prevent horizontal maximization. This could be due to insufficient capacity, conflicting demand, or other limitations in the planning data.
  
  Configuration Issues: Incorrect configuration settings in the planning area or planning book can lead to this error. This includes settings related to key figures, planning levels, or planning versions.
  Missing Master Data: Required master data (like product, location, or resource) may be missing or incorrectly set up, which can hinder the maximization process.
  Planning Object Issues: The planning objects involved may not be compatible with horizontal maximization due