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title: CFE-ConfigValidator-4: Invalid Validator in config spec

CFE-ConfigValidator-4: Invalid Validator in config spec

This error occurs when MPF does not understand the config specification for a device. Unless you created custom config specs in a mode, (external) platform or custom device, this is certainly a bug in MPF. Please report this in our forum in that case!

Need more help troubleshooting?

Have a look at our Troubleshooting section. It might give you some hints for certain classes of problems.

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Please tell us about your error in the community forum and we might be able to update this page afterwards. Or even better: You help us to update it afterwards.

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Please create a Pull Request and add it. Alternatively, please tell us in the community forum.

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