How To Fix T5003 - Telephone number could not be converted to canonical format

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 003

• Message text: Telephone number could not be converted to canonical format

What causes this issue?

The telephone number could not be converted into canonical format.

How to fix this error?

Please change the number and ensure that the code and the main number
are clearly separated, e.g. in the following formats:
1. [phone]
2. 012/3456789
3. 012.3456789

Error message extract from SAP system. Copyright SAP SE.