gst_parse_error: no element "hailonet"

[tc10-01]

I have been getting this error whenever I run the python example. By the way, I had no problem running it last week, but it somehow started displaying the error code this week.

(venv_hailo_rpi5_examples) ubuntu@raspberrypi:~/hailo-rpi5-examples $ python basic_pipelines/detection.py --labels-json resources/barcode-labels.json --hef resources/yolov8s-hailo8l-barcode.hef -i rpi
hailomuxer name=hmux libcamerasrc name=src_0 auto-focus-mode=2 ! video/x-raw, format=RGB, width=1536, height=864 ! queue name=queue_src_scale max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! videoscale ! video/x-raw, format=RGB, width=640, height=640, framerate=30/1 ! queue name=queue_scale max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! videoscale n-threads=2 ! queue name=queue_src_convert max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! videoconvert n-threads=3 name=src_convert qos=false ! video/x-raw, format=RGB, width=640, height=640, pixel-aspect-ratio=1/1 ! tee name=t ! queue name=bypass_queue max-size-buffers=20 max-size-bytes=0 max-size-time=0 ! hmux.sink_0 t. ! queue name=queue_hailonet max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! videoconvert n-threads=3 ! hailonet hef-path=resources/yolov8s-hailo8l-barcode.hef batch-size=2 nms-score-threshold=0.3 nms-iou-threshold=0.45 output-format-type=HAILO_FORMAT_TYPE_FLOAT32 force-writable=true ! queue name=queue_hailofilter max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! hailofilter so-path=/home/ubuntu/hailo-rpi5-examples/basic_pipelines/../resources/libyolo_hailortpp_post.so config-path=resources/barcode-labels.json qos=false ! queue name=queue_hmuc max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! hmux.sink_1 hmux. ! queue name=queue_hailo_python max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! queue name=queue_user_callback max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! identity name=identity_callback ! queue name=queue_hailooverlay max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! hailooverlay ! queue name=queue_videoconvert max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! videoconvert n-threads=3 qos=false ! queue name=queue_hailo_display max-size-buffers=3 max-size-bytes=0 max-size-time=0 ! fpsdisplaysink video-sink=xvimagesink name=hailo_display sync=false text-overlay=False signal-fps-measurements=true