How To Fix /SAPAPO/RSP895 - Combination of reservation planning with GATP basis methods not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP -

• Message number: 895

• Message text: Combination of reservation planning with GATP basis methods not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RSP895 - Combination of reservation planning with GATP basis methods not allowed ?

  The SAP error message /SAPAPO/RSP895 indicates that there is an issue with the combination of reservation planning and Global Available-to-Promise (GATP) basis methods in the Advanced Planning and Optimization (APO) module. This error typically arises when the system is unable to process a planning scenario due to incompatible settings or configurations.
  Cause:
  
  
  Incompatible Planning Methods: The error usually occurs when the system is trying to use reservation planning in conjunction with GATP methods that are not designed to work together. For example, certain GATP methods may not support the reservation planning functionality.
  
  
  Configuration Issues: There may be configuration settings in the APO system that do not align with the requirements for using both reservation planning and GATP.
  
  
  Master Data Issues: The master data (like product master, location, etc.) may not be set up correctly to support the combination of these planning methods.
  
  
  Solution:
  
  
  Review Planning Methods: Check the planning methods being used in your APO system. Ensure that the GATP methods you are using are compatible with reservation planning. You may need to adjust the planning strategy or method.
  
  
  Configuration Check: Go through the configuration settings in the APO system. Ensure that the settings for both reservation planning and GATP are correctly configured and compatible. This may involve checking the settings in the GATP configuration and the planning area.
  
  
  Master Data Validation: Validate the master data related to the products and locations involved in the planning process. Ensure that all necessary data is correctly maintained and that there are no inconsistencies.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific GATP and reservation planning methods you are using. There may be specific guidelines or restrictions mentioned that can help resolve the issue.
  
  
  Testing: After making any changes, conduct tests to ensure that the error is resolved and that the planning process works as expected.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration and compatibility.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Consider reviewing training materials or documentation related to APO, GATP, and reservation planning to better understand the interactions and configurations required.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or your SAP support team for further assistance.