How To Fix RW642 - Characteristic values with more than 18 characters are not allowed

RW642 - Overview

• Message type: E = Error

• Message class: RW - Interface to Accounting

• Message number: 642

• Message text: Characteristic values with more than 18 characters are not allowed

What causes this issue?

In line item &V1&, a characteristic value with more than 18 characters
was transferred for characteristic &V2&. This is only permitted for
characteristics created using the <ZH>User-Defined Fields and Logic</>
app in the <ZH>Controlling: Market Segment</> business context.

System Response

The document cannot be updated.

How to fix this error?

In the <AB>CRITERIA</> interface table, use the <AB>CHARACTER</>
parameter instead of the <AB>CUST_CHAR_VALUE_LONG</> parameter.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RW642 - Characteristic values with more than 18 characters are not allowed ?

  The SAP error message RW642 indicates that you are trying to enter characteristic values that exceed the maximum allowed length of 18 characters. This limitation is typically encountered in the context of SAP's classification system, where characteristics are used to define the properties of materials or other objects.
  
  Cause:
  The error occurs when:
  
  You attempt to assign a characteristic value that is longer than 18 characters to a characteristic in a classification system.
  The characteristic is defined in a way that restricts its value length to a maximum of 18 characters.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Characteristic Definition:
  
  Go to the transaction code CT04 (Characteristic Maintenance) and check the definition of the characteristic you are trying to use.
  Ensure that the characteristic is defined with the appropriate length. If it is set to a maximum of 18 characters, you will need to either shorten the value you are trying to enter or