How To Fix CME_DTYPE023 - You cannot prohibit negative numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: CME_DTYPE - CME Data Type: Checks

• Message number: 023

• Message text: You cannot prohibit negative numbers

What causes this issue?

The data type has versions - higher versions must remain compatible
with lower versions.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CME_DTYPE023 - You cannot prohibit negative numbers ?

  The SAP error message CME_DTYPE023, which states "You cannot prohibit negative numbers," typically occurs in the context of data validation or field settings in SAP, particularly when dealing with data types that are expected to handle both positive and negative values.
  Cause:
  This error usually arises when:
  
  Field Definition: A field is defined in a way that it does not allow negative numbers, but the data being processed includes negative values.
  Data Validation Rules: There are validation rules or constraints applied to a field that prohibit negative numbers, but the input data violates these rules.
  Configuration Settings: In some cases, the configuration settings for a particular module or transaction may restrict the use of negative numbers.
  
  Solution:
  To resolve the CME_DTYPE023 error, you can take the following steps:
  
  
  Check Field Properties:
  
  Review the field definition in the relevant data structure or table. Ensure that the field is defined to accept negative values if that is the intended behavior.
  If the field is defined as a positive-only number, consider changing its data type or properties to allow negative values.
  
  
  
  Review Input Data:
  
  Verify the data being inputted into the system. If negative numbers are not allowed, ensure that the data conforms to the expected format and values.
  If negative values are valid in your business context, ensure that the data source is providing the correct values.
  
  
  
  Adjust Validation Rules:
  
  If there are validation rules in place that prohibit negative numbers, assess whether these rules need to be modified or removed based on your business requirements.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to the specific module or transaction where the error occurs. This may provide insights into the expected data formats and constraints.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support or consulting with an SAP expert who can provide guidance based on your specific configuration and usage.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to the module you are working with, as they may have specific settings that influence data entry and validation.
  User Exits and BAdIs: If applicable, review any user exits or Business Add-Ins (BAdIs) that might be influencing the behavior of the data entry process.
  
  By following these steps, you should be able to identify the root cause of the CME_DTYPE023 error and implement an appropriate solution.