ME120 - Calculation schema & does not exist (Please check your input)

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 120

• Message text: Calculation schema & does not exist (Please check your input)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ME120 - Calculation schema & does not exist (Please check your input) ?

  The SAP error message ME120, which states "Calculation schema & does not exist (Please check your input)," typically occurs in the context of purchasing documents, such as purchase orders or purchase requisitions, when the system is unable to find the specified calculation schema for pricing.
  Cause:
  
  Missing Calculation Schema: The calculation schema specified in the purchasing document does not exist in the system. This could be due to incorrect configuration or a typo in the schema name.
  Incorrect Configuration: The calculation schema may not be properly configured in the system, or it may not be assigned to the relevant purchasing organization or vendor.
  Master Data Issues: The vendor master data or purchasing info record may not have the correct settings or may be incomplete.
  Authorization Issues: The user may not have the necessary authorizations to access the calculation schema.
  
  Solution:
  
  
  Check Calculation Schema:
  
  Go to the transaction code SPRO (SAP Reference IMG).
  Navigate to Materials Management > Purchasing > Conditions > Define Calculation Schema.
  Verify if the calculation schema you are trying to use exists. If it does not, you may need to create it or correct the input.
  
  
  
  Verify Configuration:
  
  Ensure that the calculation schema is assigned to the relevant purchasing organization and vendor.
  Check the configuration settings for the calculation schema to ensure they are correct.
  
  
  
  Review Master Data:
  
  Check the vendor master data (transaction code MK03) and ensure that the relevant purchasing organization is correctly set up.
  Review the purchasing info record (transaction code ME13) to ensure that it is correctly configured and linked to the vendor and material.
  
  
  
  Check User Authorizations:
  
  Ensure that the user has the necessary authorizations to access the calculation schema. This may involve checking roles and authorizations in the user profile.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration or the calculation schema, refer to SAP documentation or consult with your SAP Basis or MM consultant for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  ME21N: Create Purchase Order
  ME22N: Change Purchase Order
  ME23N: Display Purchase Order
  MK03: Display Vendor
  ME13: Display Purchasing Info Record
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to calculation schemas or purchasing documents.
  Training and Documentation: Consider reviewing SAP training materials or documentation related to purchasing and pricing conditions for a deeper understanding of how calculation schemas work.
  
  By following these steps, you should be able to identify and resolve the issue related to the ME120 error message in SAP.