"ERROR: Some preprocess config properties not set"

Please provide complete information as applicable to your setup.

• Hardware Platform : GPU
• DeepStream Version : 7.0
• TensorRT Version :
• NVIDIA GPU Driver Version : 555.42.02
• Getting error while creating the preprocess config.txt file

While building the config_preprocess.txt file (content in this file
config_preprocess.txt (578 Bytes)
) , and running the following pipeline:
gst-launch-1.0 filesrc location=“video-location.mp4” ! decodebin ! videoconvert ! nvvideoconvert ! nvdspreprocess config-file=config-location.txt nveglglessink -e

getting the following error:

Please assist where I am doing wrong ? Any key-value am I missing ?

You need to add nvstreammux before nvpreprocess plugin. Otherwise, there are no metadata.

Thanks for the reply, the issue is solved.