How To Fix T5030 - Telephone number &1 is not in canonical format

T5030 - Overview

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 030

• Message text: Telephone number &1 is not in canonical format

What causes this issue?

The telephone number does not have the correct format for a canonical
number:
[phone] or
+12 7890

System Response

The number cannot be converted.

How to fix this error?

Change the number so that it has the correct format. If the number does
not need to be canonical, the '+' character at the start of the number
must be removed.

Error message extract from SAP system. Copyright SAP SE.

T5030 - Details

• The SAP error message T5030, which states "Telephone number &1 is not in canonical format," typically occurs when a telephone number entered in the system does not conform to the expected format defined by SAP. This can happen in various modules, such as HR or customer/vendor master data, where telephone numbers are required.
  
  Cause:
  The error is caused by the telephone number not adhering to the canonical format, which is a standardized way of representing phone numbers. Common issues include:
  
  Missing country code.
  Incorrect number of digits.
  Use of invalid characters (e.g., letters, special characters).
  Incorrect formatting (e.g., spaces, dashes, parentheses).
  
  
  Solution:
  To resolve this error, you should ensure that the telephone number is entered in the correct format. Here are steps to follow:
  
  
  Check the Format: Verify the expected format for telephone numbers in your SAP system. This can usually be found in the documentation or configuration settings.
  
  
  Use the Correct Country Code: If applicable, ensure that the country