How to fix COD MW3 Xbox disc read error [8.7]: ‘ww_mp_bio_lab.ff’ when loading building 21 in DMZ

Problem

Encountering a disc read error while loading Building 21 in DMZ on your Xbox with Modern Warfare 3? Can’t proceed due to the ‘ww_mp_bio_lab.ff’ issue after the season 3 update? Upon selection, the Xbox shows a ‘Sys_Error’ message and sends you back to the login screen.

Sys_Error
Disc read error [8.7]: ‘ww_mp_bio_lab.ff’

No worries! Effective solutions exist to tackle this problem and get you back to gaming uninterrupted. This blog outlines steps to fix the disc read error [8.7]: ‘ww_mp_bio_lab.ff’.

Causes and Variations

MW3’s Disc read error [8.7] often occurs due to coding changes when moving files from Modern Warfare 3 to Warzone. It could also result from corrupted or missing game files. Variations like ‘Disc read error [8.7] ww_mp_bio_lab.ff’ may surface due to this issue.

Solution 1: Clear COD MW3 Cache

1. Press the Xbox button for the guide.
2. Navigate to “Profile & system” > “Settings” > “Devices & connections” > “Blu-Ray”.
3. Pick “Persistent Storage”.
4. Select “Clear persistent storage”.

Solution 2: Check for Game Updates

1. Press the Xbox button for the guide.
2. Access “My games & apps” > “See all”.
3. Highlight “Call of Duty: Modern Warfare 3”, press the Menu button.
4. Choose “Manage game and add-ons”.
5. Navigate to “Updates” and select available updates to start the process.

Solution 3: Reinstall the Game

1. Press the Xbox button to open the guide.
2. Go to “My games & apps” > “See all”.
3. Highlight “Call of Duty: Modern Warfare 3”.
4. Press the Menu button, choose “Uninstall”.
5. Confirm with “Uninstall all”.
6. Return to “My games & apps”.
7. Find “Call of Duty: Modern Warfare 3” in your library or the Xbox Store.
8. Select “Install” to reinstall the game.

Solution 4: Install Modern Warfare 3 and Warzone

Consider installing both games as some files were transferred between them. This might resolve the Modern Warfare 3 Disc Read Error, especially if you intend to play Zombies. If you already have these games, consider reinstalling both for a potential fix.

Summary

Hope these solutions assist in resolving the COD MW3 Disc read error [8.7]: ww_mp_jup_bigmap.ff. Keep your game updated and consider reinstalling for an efficient fix. If you uncover alternative methods, share them in the comments for testing and potential feature inclusion.