Unable to Install “Deep Dive: Creating Your First Ontology” Marketplace Bundle - Object Type Limit Exceeded

Hello,

I am currently working through the Palantir Foundry Foundations learning path using a Palantir AIP Developer Tier environment. While learning the tutorial “Deep Dive: Creating Your First Ontology”, I encountered an issue when attempting to install the Marketplace bundle.

During the Review Changes stage of the Marketplace installation, the following validation error appears:

“This Marketplace install will result in the maximum number of object types allowed in this Ontology being exceeded. Please delete any unused object types to proceed.”

Troubleshooting steps already attempted

  • Attempted installation in the existing ontology

  • Created a fresh ontology and retried the installation

  • The same validation error still occurs

Because this environment is being used for the tutorial workflow, I am unsure which object types are safe to delete without potentially breaking earlier steps.

I have attached screenshots of the validation error for reference.

Any guidance would be greatly appreciated. Thank you!

The limit for the developer tier is 60 even if a new ontology is created, did you previously create a lot of object types?

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Yes, that makes sense now. I checked my workspace and currently have 56 object types, which explains why the Marketplace bundle installation is failing under the Developer Tier limit of 60. Thank you for pointing me in the right direction.

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