How To Fix DA134 - Mapping DB type & to Dictionary type is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DA - Dictionary: Compare, distribution, timer, instantiation

• Message number: 134

• Message text: Mapping DB type & to Dictionary type is not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DA134 - Mapping DB type & to Dictionary type is not possible ?

  The SAP error message DA134, which states "Mapping DB type & to Dictionary type is not possible," typically occurs when there is a mismatch between the database type and the data dictionary type in the context of data modeling or database operations. This error can arise in various scenarios, such as when working with ABAP programs, data dictionary objects, or when performing database operations.
  Causes:
  
  
  Data Type Mismatch: The most common cause is that the data type defined in the database does not match the expected data type in the ABAP Dictionary. For example, a database field might be defined as a VARCHAR, while the corresponding ABAP data type is defined as CHAR.
  
  
  Unsupported Data Types: Certain database types may not have a direct equivalent in the ABAP Dictionary. For instance, if a database field uses a specific type that is not supported by ABAP, this error can occur.
  
  
  Incorrect Field Lengths: If the length of the database field exceeds the maximum length allowed in the ABAP Dictionary type, this can also lead to the error.
  
  
  Database Compatibility Issues: If you are using a non-standard database or a version of the database that has different data types, this can lead to compatibility issues.
  
  
  Solutions:
  
  
  Check Data Types: Review the data types defined in both the database and the ABAP Dictionary. Ensure that they are compatible and that the lengths match.
  
  
  Modify Data Dictionary: If necessary, adjust the data dictionary definitions to match the database types. This may involve changing the data type or length in the ABAP Dictionary.
  
  
  Use Compatible Types: If you are using a specific database type that does not have a direct mapping, consider using a compatible type that can be mapped correctly.
  
  
  Database Configuration: Ensure that your database is configured correctly and that it supports the data types you are trying to use.
  
  
  Consult Documentation: Refer to SAP documentation or the specific database documentation for guidance on supported data types and their mappings.
  
  
  Testing: After making changes, test the affected programs or data dictionary objects to ensure that the error is resolved.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  
  
  Data Dictionary (SE11): Use transaction SE11 to view and modify data dictionary objects. This can help you identify mismatches.
  
  
  ABAP Development: If you are developing ABAP programs, ensure that you are using the correct data types and structures as per the latest standards.
  
  
  Database Administration: If you have access to database administration tools, you can check the actual data types defined in the database schema to ensure they align with your ABAP definitions.
  
  
  By following these steps, you should be able to identify the cause of the DA134 error and implement a suitable solution.