“.NET runtime exception: database disk image is malformed”
indicates that the local SQLite database used by Project Manager has become corrupted. This is a known SQLite error that usually occurs when the file is unexpectedly modified or accessed improperly.
> ✅ You do not need to reinstall Project Manager.
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🛠 How to Fix It:
1. Launch 3ds Max, then go to Project Manager > Preferences > Database tab.
2. Click the “Restore Database” button.
This will rebuild the damaged database while preserving as much data as possible.
3. If you want to preserve a copy of the corrupted file for recovery:
Rename any .db file (e.g. settings_corrupted.db) before restoring.
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⚠ Possible Cause
One common cause of this error is trying to share a SQLite database across multiple computers simultaneously (e.g. placing the .db file on a network share or syncing it via Dropbox/OneDrive).
> SQLite is not designed for concurrent access from multiple machines – doing so can easily lead to corruption.
If you need to use a shared database across a team, we highly recommend switching to MySQL, which is supported in Project Manager and is specifically built for multi-user environments.
I am stuck with the mysql database because it doesn’t work with the stable version 8. Version 9 is still unreleased and is an officially unreleased development version, so we have more problems with the installation and configuration, but then I will have to work on it.
Got it! the test is successful and the server is working. How does the data get into the server? I noticed that if I exit this window it reverts back to sql light. Is this normal or am I doing something wrong? What are the final steps? Thanks Tom
I noticed that if I exit this window it reverts back to sql light.
It seems there are some problems with the database settings.
Also, I didn’t test it with MySQL 9.3. So it also might be a reason for problem
Try closing 3ds max and deleting the database
Then open Project Manager and set MySQL as the database.
If that doesn’t help, send the logs files from the folder %localappdata%\Kstudio\data\logs
I’m sticking to the basics you suggested, which is to keep the mysql database with 9.3, and I transferred the data from sqlight to mysql. What it didn’t transfer were the colors and shapes.
It seems there are some problems with the database settings.
Also, I didn’t test it with MySQL 9.3. So it also might be a reason for problem Try closing 3ds max and deleting the database
Then open Project Manager and set MySQL as the database. If that doesn’t help, send the logs files from the folder %localappdata%\Kstudio\data\logs
The database works with version 9.3, I just had to restart the system. :) What I still miss is instant updates. Why does a database need to be manually updated with the F5 button in 2025? It updates immediately up top, and manually down bottom. Couldn’t the database’s push function be used and if it detects a change, the client side would update? This still contains a lot of potential for errors and data loss due to overwriting. Isn’t there a good automatic solution for this?
When a change is made in the manager, the data is automatically entered into the database, but the data is not automatically transferred from the database to another computer, only if it is refreshed with the F5 button. I wrote that the upload to the database is automatic and it would be good if the download from the database was also automatic, as is usually the case. However, for this, the database must be monitored to see if there have been any changes and, if so, recorded. In fact, the database sends a signal to the project manager that an update is required.
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