ECO | How to fix "An item with the same key has already been added" Error Print

  • ECO How to fix "An item with the same key has already been added, ECO How to fix An item with the same key has already been added, ECO An item with the same key has already been added Error, An item with the same key has already been added, ECO Error, ECO How to fix Error
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Open the .db file and check if the index table contains duplicates.

If it does, remove the duplicates or the entire table and let it regenerate when the server starts. This may have side effects, but it should get it running if it's caused by these duplicates

Use LiteDB (https://github.com/mbdavid/LiteDB/releases) to open the database - not SQLLitebrowser


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