How To Fix 5K646 - The tax reference number should be numerical

5K646 - Overview

• Message type: E = Error

• Message class: 5K - HR: Messages for Canada

• Message number: 646

• Message text: The tax reference number should be numerical

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 5K646 - The tax reference number should be numerical ?

  The SAP error message 5K646, which states "The tax reference number should be numerical," typically occurs when a user attempts to enter a tax reference number that contains non-numeric characters. This error is common in scenarios where tax identification numbers or similar identifiers are required to be strictly numeric.
  
  Cause:
  
  Non-Numeric Characters: The tax reference number entered contains letters, special characters, or spaces.
  Incorrect Format: The system expects a specific format for the tax reference number, and the input does not conform to this requirement.
  Data Entry Error: The user may have mistakenly entered the wrong characters while inputting the tax reference number.
  
  
  Solution:
  
  Check Input: Review the tax reference number you are trying to enter and ensure that it contains only numeric characters (0-9).
  Remove Non-Numeric Characters: If there are any letters, spaces, or special characters, remove them and re-enter the number.
  Format Verification: Ensure that the tax reference number adheres to the expected format as defined