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What is purpose of error . can you explain it
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2
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8
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March 17, 2026
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Python: can't open file 'pyscript1.py': [Errno 2] No such file or directory. what can i do this .can't understand
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2
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7
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March 15, 2026
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CMake cannot find gazebo_ros while building Gazebo package (Unit 4.30)
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8
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18
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March 11, 2026
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Rosject does not open
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4
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8
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March 6, 2026
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Unable to book a new slot after two consecutive bookings. Why?
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4
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7
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March 1, 2026
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Rviz error (An internal error)
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20
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823
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February 23, 2026
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Behaviortree_ros2 stuck compiling for 50 minutes
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4
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5
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March 2, 2026
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Real Robot Project: /scan topic present but no data published (worked earlier on sim and real robot)
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2
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9
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February 19, 2026
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4.9 Services-Quiz
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3
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19
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February 14, 2026
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ROS2 Basics: Project on Services
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9
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23
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January 25, 2026
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The submit quiz button doesn't work
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5
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11
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January 23, 2026
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Unit 5.5 Callbacks in ROS2. Plant Detector Example
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6
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14
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January 18, 2026
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Rosject Wall Following Robot
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11
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38
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January 7, 2026
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Training not start
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5
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26
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December 29, 2025
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Training procedure does not start correctly
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1
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10
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December 29, 2025
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Example3.2 - Wrong source code in the tutorial of OpenCv in ROS
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4
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20
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December 26, 2025
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Unit 3: Kalman Filter - Mistaking Standard Deviation for Variance
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1
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30
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December 15, 2025
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Quiz 3.10 ROS2 Basics in 5 Days (Python)
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4
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19
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December 22, 2025
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2.2 Move a Robot - Wrong Keys for Input?
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13
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59
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December 1, 2025
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Linux Basics Project: Can launch first simulation. Unable to "/home/user/simulation_ws/install/turtlebot3_gazebo/share/turtlebot3_gazebo/local_setup.bash"
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10
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63
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November 25, 2025
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Simulation not responding
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5
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54
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November 23, 2025
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Package missing
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7
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34
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November 11, 2025
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The realfast bot issue, not moving with code
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8
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72
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November 10, 2025
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[Bug] "Click to report an error" doesn't work
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4
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38
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November 4, 2025
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Can't get to smallcity lab to run
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5
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56
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November 3, 2025
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TurtleBot3 connection error
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5
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29
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November 3, 2025
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Simulation Error
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3
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33
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October 28, 2025
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Course is not marked as completed even though all activities are completed
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5
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23
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October 27, 2025
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Cartographer crashes on real robot
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2
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25
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October 15, 2025
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2.13 Execution failed
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2
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35
|
October 12, 2025
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