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400 Bad Request Phone No. must not contain letters

The error message indicates that a REST API request failed with a 400 Bad Request status. Specifically, the response body states:

"Phone No. must not contain letters in Customer No.='C-009999'"

This suggests that the Phone_No field contains invalid characters (e.g., letters or extensions such as "x4321"), which the destination system does not accept.

The REST service returned a status code that is not 20x - i.e. not OK - Status code received: 400 Bad Request Response body: {"error":{"code":"Internal_ServerError","message":"Phone No. must not contain letters in Customer No.='C-009999'. CorrelationId: 5a041048-ede7-4d6a-9193-3ef1508b5454."}} Data Sent to REST service: {"Phone_No":"732-532-4444 x4321"} Error on connection NAVODATA001.

Solutions:

  1. Use ##ISPHONE formula to validate the phone number format and ensure that you do not send incorrect data to the destination system.
  2. User Validation: Implement validation rules to prevent users from entering invalid phone formats.
  3. Pre-Processing Before API Call: Add a script or logic in your integration to clean the Phone_No field before sending it.