Deepstream 4.02 crashing

I developed a deepstream pipline in deepstream 4.0.2
When I was running the standard pipline over the recorded video sometime it executes and some time it crashes.
input video: recorded by ffmpeg and lenght is 4hrs
fps : 15fps

Mentioning one of the error:
error from source src_bin_muxer number of surfaces must be equal to mux->number_surfaces_per_frame(1)

Note: also tested for 1hr video.

There is no update from you for a period, assuming this is not an issue any more.
Hence we are closing this topic. If need further support, please open a new one.

Please provide complete information as applicable to your setup.

• Hardware Platform (Jetson / GPU)
• DeepStream Version
• JetPack Version (valid for Jetson only)
• TensorRT Version
• NVIDIA GPU Driver Version (valid for GPU only)
• Issue Type( questions, new requirements, bugs)
• How to reproduce the issue ? (This is for bugs. Including which sample app is using, the configuration files content, the command line used and other details for reproducing)
• Requirement details( This is for new requirement. Including the module name-for which plugin or for which sample application, the function description)