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RLBench Task Builder Demo (d) Not Working — Robot Does Not Move #296

@AkramSyed002

Description

@AkramSyed002

I am experiencing an issue with RLBench task_builder.py where the demo execution using the d key does not work correctly.

The object moves, but the robot arm does not move
This happens both for custom tasks and predefined RLBench tasks
However, the task validator works correctly, and the robot moves as expected there.

Simulation starts
Object may move/reset
Robot arm does not move
Errors appear in terminal:
[PyRep@addOnScript:error] ?: script execution was terminated externally.
[CoppeliaSim:error] External call to simCallScriptFunction failed (getNonlinearPath@PyRep): Error in script function.
[remoteApi@childScript:error] ?: script execution was terminated externally.

Environment
OS: Ubuntu 20.04
Python: (from conda env pyrep)
RLBench: installed from source (pip install -e .)
PyRep: working correctly

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