SAP Knowledge Base Article - Public

3257698 - Error message "Empty key predicate not allowed" shows up when posting an API using Postman

Symptom

You want to post an API using Postman. However, after you send the request, the error message "Empty key predicate not allowed" shows up.

Environment

SAP S/4HANA Cloud

Cause

There is an extra space (" ") at the end of the request URL.

Resolution

Delete the extra space.

Keywords

Postman, API, 400 Bad Request, empty key predicate, extra space , KBA , OPU-API-RT , Runtime , Problem

Product

SAP S/4HANA Cloud Public Edition all versions ; SAP S/4HANA Cloud all versions