How To Fix NR394 - Type and length of & & must match & &

SAP Error Message - Details

• Message type: E = Error

• Message class: NR - Number ranges

• Message number: 394

• Message text: Type and length of & & must match & &

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 NR394 - Type and length of & & must match & & ?

  The SAP error message NR394 indicates a mismatch between the type and length of fields in a data structure or table. This error typically occurs when you are trying to assign a value to a field that does not match the expected data type or length defined in the data dictionary.
  Cause:
  
  Data Type Mismatch: The field you are trying to populate has a different data type than the value you are trying to assign. For example, trying to assign a character string to a numeric field.
  Length Mismatch: The length of the data being assigned exceeds the defined length of the target field. For instance, if a field is defined to hold 10 characters, but you are trying to assign a string of 15 characters.
  Structure Definition: If you are working with structures or internal tables, the definition of the structure may not match the data being processed.
  
  Solution:
  
  Check Data Types: Verify that the data types of the source and target fields match. If you are assigning a value, ensure that the value is of the correct type.
  Check Field Lengths: Ensure that the length of the data being assigned does not exceed the defined length of the target field. If necessary, truncate or pad the data to fit the required length.
  Review Data Dictionary: Look at the data dictionary (SE11) to confirm the definitions of the fields involved. Make sure that the definitions are correct and consistent with the data being processed.
  Debugging: If you are working in ABAP, use the debugger to step through the code and identify where the mismatch occurs. Check the values and types of the variables at runtime.
  Adjust Code: Modify your code to ensure that the assignments are valid. This may involve converting data types or adjusting the length of the data being assigned.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) to investigate the definitions of the fields and structures involved.
  ABAP Data Types: Familiarize yourself with the different ABAP data types (e.g., CHAR, NUMC, DATS) and their characteristics.
  Documentation: Refer to SAP documentation or community forums for specific examples and solutions related to NR394.
  
  By following these steps, you should be able to identify and resolve the cause of the NR394 error in your SAP environment.