How To Fix C1044 - Choose a data type

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 044

• Message text: Choose a data type

What causes this issue?

You want to create a new characteristic and have not yet defined a data
type for the characteristic.

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?

Enter a valid data type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1044 - Choose a data type ?

  The SAP error message C1044, which states "Choose a data type," typically occurs when you are trying to define a data element or a field in a data dictionary (DDIC) and have not specified a valid data type. This error can arise in various contexts, such as when creating or modifying tables, structures, or data elements.
  Cause:
  
  Missing Data Type: The most common cause is that the data type has not been selected or defined in the relevant field or data element.
  Incorrect Field Definition: If you are trying to create a field without specifying a valid data type, SAP will prompt this error.
  Incompatible Data Types: Sometimes, if you are trying to assign a data type that is not compatible with the context, this error may also appear.
  
  Solution:
  
  
  Specify a Data Type: When you encounter this error, ensure that you have selected a valid data type for the field or data element you are trying to create or modify. You can do this by:
  
  Going to the data element or field definition screen.
  Selecting a data type from the dropdown menu or entering it manually.
  
  
  
  Check Field Attributes: Make sure that all required attributes for the field are filled out correctly, including length, decimals, and any other relevant properties.
  
  
  Review Documentation: If you are unsure about which data type to use, refer to the SAP documentation or consult with a colleague who has experience with the data dictionary.
  
  
  Use Standard Data Types: If possible, use standard SAP data types (like CHAR, NUMC, DATS, etc.) to avoid compatibility issues.
  
  
  Related Information:
  
  Data Dictionary (DDIC): The data dictionary in SAP is a central repository that defines the structure of the database. Understanding how to navigate and use the DDIC can help prevent such errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SE80 (Object Navigator) to manage data elements and tables effectively.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message, as there may be specific patches or recommendations provided by SAP.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting the SAP community for further assistance.