How to register a plugin implemented by extending IPluginCreator and IPluginV2 - TensorRT 5.0.2

I have an onnx model built with ir version 0.0.3 and opset 7. It has an un-supported layer “PReLU”. I implemented the layer by extending the class IPluginCreator and IPluginV2. Afterwards, I registered the plugin using REGISTER_TENSORRT_PLUGIN(myPluginCreator). However, I still get the error, “No importer registered for op: PRelu”. My question is, is there any other step to register the custom plugin that I am missing? My understanding is, if the issue is in implemented plugin, it should parse the model, and throw an error while building phase. Any pointers are welcome!


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