Could not find parse func 'NvDsInferParseCustomSSDUff' in custom library

./deepstream-custom pgie_ssd_uff_config.txt sample_720p.h264
Now playing: pgie_ssd_uff_config.txt

Using winsys: x11
Opening in BLOCKING MODE
Creating LL OSD context new
0:00:07.992495478 14487 0x5595eea840 INFO nvinfer gstnvinfer.cpp:519:gst_nvinfer_logger: NvDsInferContext[UID 1]:initialize(): Trying to create engine from model files

0:00:39.999307083 14487 0x5595eea840 INFO nvinfer gstnvinfer.cpp:519:gst_nvinfer_logger: NvDsInferContext[UID 1]:generateTRTModel(): Storing the serialized cuda engine to file at /home/omnicell/deep/deepstream_4.x_apps/models/ssd/its_ssd_nvidia_tlt.etlt_b1_fp32.engine
0:00:40.164662532 14487 0x5595eea840 WARN nvinfer gstnvinfer.cpp:515:gst_nvinfer_logger: NvDsInferContext[UID 1]:checkEngineParams(): Could not find output layer ‘MarkOutput_0’ in engine
0:00:40.174940281 14487 0x5595eea840 ERROR nvinfer gstnvinfer.cpp:511:gst_nvinfer_logger: NvDsInferContext[UID 1]:initialize(): Could not find parse func ‘NvDsInferParseCustomSSDUff’ in custom library
0:00:40.182286111 14487 0x5595eea840 WARN nvinfer gstnvinfer.cpp:692:gst_nvinfer_start: error: Failed to create NvDsInferContext instance
0:00:40.182437670 14487 0x5595eea840 WARN nvinfer gstnvinfer.cpp:692:gst_nvinfer_start: error: Config file path: pgie_ssd_uff_config.txt, NvDsInfer Error: NVDSINFER_CONFIG_FAILED
Running…
ERROR from element primary-nvinference-engine: Failed to create NvDsInferContext instance
Error details: gstnvinfer.cpp(692): gst_nvinfer_start (): /GstPipeline:ds-custom-pipeline/GstNvInfer:primary-nvinference-engine:
Config file path: pgie_ssd_uff_config.txt, NvDsInfer Error: NVDSINFER_CONFIG_FAILED
Returned, stopping playback
Deleting pipeline

Issue resolved…

Thanks