Explanation:
A callback function for a uicontrol in your figure or GUI has thrown an error.
Common causes:
There are many possible causes for this error. The line above simply identifies that the error is located in a uicontrol's callback function.
Solution:
The section of the error message that follows the line above will explain the cause of the error. Debug the callback function based on the second portion of the error message returned from MATLAB.
