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Make sure that ENABLE_BACKEND_ACCESS_CONTROL in your .env file is NOT set to False. Multi-user mode is enabled by default, therefore ENABLE_BACKEND_ACCESS_CONTROL=True by default.
The Ladybug adapter is one of Cognee’s core graph adapters, along with Neo4j. Ladybug was previously called Kuzu; the handler and provider are still registered under both names, so kuzu keeps working wherever ladybug is shown below.

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Installation

Ladybug is part of Cognee’s core dependencies, so no extra installation steps are required.

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Setup and Usage

Since Ladybug is a file-based database, and its handler is registered in Cognee by default, all that needs to be set is the information about the provider, and to let Cognee know which handler you are using:
Graph files are stored by default in the .cognee_system folder (within the Cognee package), with each dataset assigned its own persistent graph file.

Graph Stores

Details About Cognee’s Graph Stores

Data Isolation and Multi-Tenancy

More Details About Multi-User Mode