How To Fix CNVA_00006_MSG177 - Datatype & cannot have maximum length greater than 255

CNVA_00006_MSG177 - Overview

• Message type: E = Error

• Message class: CNVA_00006_MSG - Message class for Content Based Search

• Message number: 177

• Message text: Datatype & cannot have maximum length greater than 255

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.

CNVA_00006_MSG177 - Details

• The SAP error message CNVA_00006_MSG177 indicates that there is an issue with a data type in your SAP system where the maximum length specified exceeds the allowed limit of 255 characters. This typically occurs in the context of data conversion or data mapping processes, especially when dealing with structures or fields that are expected to hold character data.
  
  Cause:
  
  Data Type Definition: The error is often caused by defining a character data type (like CHAR or STRING) with a length greater than 255 in a data structure or table.
  Mapping Issues: If you are using a data mapping tool or a conversion program, it may be trying to map a field with a length greater than 255 to a target field that does not support it.
  Legacy Data: Sometimes, legacy data or external systems may have fields defined with lengths greater than 255, which can lead to this error during data import or transformation.
  
  
  Solution:
  
  Check