---
title: "Messages from SAP"
description: "How SAP's own refusals are shown, and the common ones per object family with their meaning and fix."
source: "https://help.rikaiso.com/public-cloud/2026.2/messages-from-sap"
edition: "public-cloud"
editionLabel: "S/4HANA Public Cloud"
version: "2026.2"
latest: true
language: "en"
section: "Messages and Troubleshooting"
updated: "2026-11-05"
---

# Messages from SAP

> How SAP's own refusals are shown, and the common ones per object family with their meaning and fix.

> **Draft brief for authors.** Replace with the final text; keep the structure. Start from the findings of the help-portal notes.

**Page type:** Reference · **Audience:** Business user

**Contains**

- How SAP's refusals are shown (SAP's sentences as sentences, the message identity in the technical facts).
- The common refusals per object family with meaning and fix: Install needs exactly one location · installation date and time in the future or before the last change · data transfer across plants · partner determination profile missing · unit not created in the user's language · no description in the user's language · custom field not enabled for the API · precondition required (the record changed meanwhile) · validity start date cannot be changed · category cannot be changed.

**Related information:** `equipment-sap-rules`, `functional-locations`, `maintenance-task-lists`, `reading-results`.

**Source in the product repository:** `docs/help-portal/equipment.md` §2, `docs/help-portal/functional-locations.md` §2, `docs/help-portal/task-lists.md` §2, `srv/lib/sap-interface/sap-message-rules.json`.