Retrieve Materia sometimes erroneously gives the "Insufficient Inventory Space" error

[X89K1]

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Date & Time: 27 May 2022 at 3:20 - 3:30 EDT
Frequency: 3 times out of roughly 20 or so Retrieve Materia attempts.
World name: Balmung
Class/Level: BLM Level 90
Party or solo: Solo
In-game time: 9:34 pm to 9:44 pm Eorzea Time
Area and coordinates: Empyreum (11, 11.5)?
Housing: Empyreum Subdivision (Ward 12)
Description: The Retrieve Materia system will sometimes claim insufficient space in spite of the user still having multiple empty inventory slots to place the retrieved materia in.

Steps:
1. Have a number of crafted, fully "penta-melded" equipment. Recommended is at least six or more fully advanced melded items to test this bug. Have at least five empty inventory slots.
2. Right-click the melded gear. Select Retrieve Materia, and select Begin if it appears(If it doesn't, repeat the first two parts of this step.).
3. Repeat all parts of Step 2 for all subsequent melds until you encounter the error while having remaining empty inventory slots.
4. Simply selecting Retrieve Materia again on the meld that delivered the error will cause it to unmeld successfully, despite no other changes.

Note:
This was performed using a variety of combat job materia. It has not been tested if it is only specific materia that cause this issue(The initial test I recorded had the error occur with retrieving a Savage Might Materia IX.).