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This error can occur when you have cyclical dependencies. Does your package depend on a package that also depends on your package? Sorry for the confusing wording, but I don't know of a better way to say it.

This error can occur when you have cyclical dependencies. Does your package depend on a package that also depends on your package? Sorry for the confusing wording, but I don't know of a better way to say it.

EDIT

Here's an example of a cyclical dependency:

Package A is called my_robot_config. Package B is called my_robot_sensors.

In the manifest.xml files:

my_robot_config

<depend package="my_robot_sensors" />

my_robot_sensors

<depend package="my_robot_config" />

All you have to do is look through the manifest.xml files in your packages to make sure that two packages don't depend on one another.

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