How To Fix MD_SUBSTN055 - Percentage must be positive

SAP Error Message - Details

• Message type: E = Error

• Message class: MD_SUBSTN - Messages for Master Data Substitution

• Message number: 055

• Message text: Percentage must be positive

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MD_SUBSTN055 - Percentage must be positive ?

  The SAP error message MD_SUBSTN055 with the description "Percentage must be positive" typically occurs in the context of material master data or planning scenarios where a percentage value is expected, such as in substitution or planning strategies.
  Cause:
  This error arises when a user attempts to enter a percentage value that is either zero or negative in a field that requires a positive percentage. This can happen in various scenarios, such as:
  
  When defining substitution strategies for materials.
  When setting up planning parameters that involve percentage calculations.
  When entering data in transaction codes related to material planning or substitution.
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Check the Input Value: Ensure that the percentage value you are entering is greater than zero. If you are entering a percentage for a substitution or planning parameter, it must be a positive number.
  
  
  Review Configuration: If you are working with a configuration or master data setup, review the relevant settings to ensure that they are correctly defined. Look for any fields that may have been incorrectly set to zero or negative values.
  
  
  Data Validation: If the percentage is derived from calculations or other fields, ensure that those calculations are correct and that they do not result in a zero or negative value.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or module you are working with. This can provide insights into the expected values and formats.
  
  
  User Training: If this error is occurring frequently, consider providing training or guidelines for users to ensure they understand the requirements for entering percentage values.
  
  
  Debugging: If you are a developer or have access to technical support, you may want to debug the transaction to see where the value is being set and why it is not meeting the positive requirement.
  
  
  Related Information:
  
  Transaction Codes: Common transaction codes where this error might occur include MD61 (Create Planning Scenario), MD62 (Change Planning Scenario), and others related to material planning and substitution.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and the solutions they found.
  
  By ensuring that all percentage values are positive and validating the data entry process, you should be able to resolve the MD_SUBSTN055 error effectively.