The user is trying to add a new Child Matrix Inventory Item via CSV Import. Upon import, the newly imported item showed as a Child Matrix Item on the Inventory Item list. Yet, on the Parent Matrix Item record > Under Matrix tab, the Child Matrix Item is not showing up even though the Subitem of the field was correctly mapped.
Solution
On the CSV Import, make sure to note the following:
1. Data Handling: Select Add
2. NetSuite Fields: Select Matrix Type
3. Matrix Type: Click Pencil icon
4. Select Provide Default Value
5. On the drop down, select Child Matrix Item
6. Click Done
7. Proceed to the mapping and saving of the import