Hello,
to map the fields you need to define the catalogs also in the plant maintenance modul.
SPRO->MAINTENANCE AND SERVICE PROCESSING->MAINTENANCE AND SERVICE ORDERS->Interface for Procurement Using Catalogs (OCI)
For MM you need here
Step 1 - Define Catalog and
Step 3 Convert HTML fields to SAP fields
Here is a mapping sample: always Catalog-ID at first position
Seq. No. - SAP Field - HTML-Field - Field Type
0 RIHFCOM_XL-MATNR NEW_ITEM-MATNR 1 HTML Field
105 RIHFCOM_XL-IDNLF NEW_ITEM-VENDORMAT 1 HTML Field
110 RIHFCOM_XL-POSTP N 2 Fixed Value
115 RIHFCOM_XL-KTEXT NEW_ITEM-DESCRIPTION 1 HTML Field
120 RIHFCOM_XL-WERKS
125 RIHFCOM_XL-MENGE NEW_ITEM-QUANTITY 1 HTML Field
130 RIHFCOM_XL-MENGE NEW_ITEM-QUANTITY 1 HTML Field
135 RIHFCOM_XL-MENGE NEW_ITEM-QUANTITY 1 HTML Field
145 RIHFCOM_XL-MEINH NEW_ITEM-UNIT 1 HTML Field
150 RIHFCOM_XL-FLIEF 2020424 2 Fixed Value
155 RIHFCOM_XL-INFNR
160 RIHFCOM_XL-CONTRACT NEW_ITEM-CONTRACT 1 HTML Field
165 RIHFCOM_XL-CONTRACT_ITEM NEW_ITEM-CONTRACT_ITEM 1 HTML Field
170 RIHFCOM_XL-MFRPN NEW_ITEM-MANUFACTMAT 1 HTML Field
175 RIHFCOM_XL-MFRNR NEW_ITEM-MANUFACTCODE 1 HTML Field
180 RIHFCOM_XL-LEADTIME NEW_ITEM-LEADTIME 1 HTML Field
185 RIHFCOM_XL-MATKL NEW_ITEM-MATGROUP 1 HTML Field
190 RIHFCOM_XL-EKGRP 670 2 Fixed Value
195 RIHFCOM_XL-EKORG 0001 2 Fixed Value
200 RIHFCOM_XL-PREIS NEW_ITEM-PRICE 1 HTML Field
205 RIHFCOM_XL-PEINH NEW_ITEM-PRICEUNIT 1 HTML Field
900 LONGTEXT NEW_ITEM-LONGTEXT 1 HTML Field
Perhaps you need Step 5 Define Conversion Modules also for the longtext.
Best regards Stefan