How To Fix D0855 - Table type &: Length of row type was not set

SAP Error Message - Details

• Message type: E = Error

• Message class: D0 - Machine-level ABAP/4 Dictionary texts (e.g. debugging)

• Message number: 855

• Message text: Table type &: Length of row type was not set

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message D0855 - Table type &: Length of row type was not set ?

  The SAP error message D0855, which states "Table type &: Length of row type was not set," typically occurs in ABAP programming when there is an issue with the definition of a table type. This error indicates that the system is unable to determine the length of the row type for a table type that has been defined.
  Cause:
  
  Undefined Row Type: The row type for the table type has not been defined properly. This can happen if the structure or data type that is supposed to define the row type is missing or incorrectly specified.
  Incorrect Declaration: The table type might be declared without a proper reference to a structure or data type that defines the fields and their lengths.
  Inconsistent Data Types: If the row type is defined using a data type that is not compatible or is not fully defined, it can lead to this error.
  
  Solution:
  
  
  Check Table Type Definition: Review the definition of the table type in your ABAP code. Ensure that it is correctly defined with a valid row type. For example:
  TYPES: BEGIN OF ty_my_structure,
           field1 TYPE c LENGTH 10,
           field2 TYPE i,
         END OF ty_my_structure.
  
  TYPES: tt_my_table TYPE TABLE OF ty_my_structure.
  Ensure that ty_my_structure is properly defined before it is used in the table type.
  
  
  Define Row Type: If you are using a generic table type, make sure to define the row type explicitly. For example:
  TYPES: tt_my_table TYPE TABLE OF ty_my_structure WITH EMPTY KEY.
  
  
  Check for Syntax Errors: Look for any syntax errors in the code that might prevent the proper definition of the table type.
  
  
  Use Data Dictionary: If you are using a structure from the Data Dictionary (SE11), ensure that the structure is activated and correctly defined.
  
  
  Recompile the Program: After making changes, recompile the program to ensure that the changes take effect.
  
  
  Related Information:
  
  ABAP Data Types: Understanding how to define and use data types and structures in ABAP is crucial. Refer to the SAP documentation on ABAP data types for more details.
  Debugging: If the error persists, consider using the ABAP debugger to trace where the table type is being used and to check the definitions at runtime.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or recommendations provided by SAP.
  
  By following these steps, you should be able to resolve the D0855 error in your SAP ABAP program.