How To Fix MPE_CM_EFFECTIVITY030 - Special characters and negative units are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_CM_EFFECTIVITY - Message Class for Parameter Effectivity

• Message number: 030

• Message text: Special characters and negative units are not allowed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_CM_EFFECTIVITY030 - Special characters and negative units are not allowed ?

  The SAP error message MPE_CM_EFFECTIVITY030 indicates that there is an issue with the data being entered or processed in the context of effectivity management, particularly regarding special characters and negative units. This error typically arises in scenarios involving configuration, variant configuration, or when dealing with material master data.
  Cause:
  
  Special Characters: The error suggests that the input data contains special characters that are not permitted. This could be in the form of characters like @, #, !, etc., which are not valid in certain fields.
  Negative Units: The error also indicates that negative values are being used where only positive values are allowed. This is common in fields that expect quantities, such as stock levels, order quantities, or other numerical inputs.
  
  Solution:
  
  Check Input Data: Review the data being entered for any special characters. Ensure that only alphanumeric characters are used where applicable.
  Validate Units: Ensure that all quantities and units are positive. If you are trying to enter a negative quantity, reassess the business logic to determine if this is necessary or if it can be adjusted to a positive value.
  Field Specifications: Refer to the field specifications in the SAP documentation or the data entry screen to understand the allowed formats and constraints for the fields you are working with.
  Data Cleansing: If the data is being imported or uploaded from an external source, ensure that the data is cleansed to remove any invalid characters or negative values before the upload.
  Testing: After making the necessary corrections, test the input again to ensure that the error does not reoccur.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. Sometimes, there may be known issues or fixes provided by SAP.
  Documentation: Review the relevant SAP documentation for effectivity management and configuration to understand the constraints and requirements for data entry.
  User Forums: Consider checking SAP community forums or user groups for similar issues faced by other users and their solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting or correcting the data, such as MM01 (Create Material), MM02 (Change Material), or CU01 (Create Configuration Profile).
  
  By following these steps, you should be able to resolve the MPE_CM_EFFECTIVITY030 error and ensure that your data complies with SAP's requirements.