Cannot start timer because it is already running. Error while evaluating {0} for timer ''{1}'' \n\n{2}\n {0} cannot be set while Timer is running. Cannot set a running timer's ''TimerFcn'' to empty Cannot start timer without specifying a ''TimerFcn'' callback. Only a row or column vector of timer objects can be created. You are deleting one or more running timer objects. MATLAB has automatically stopped them before deletion. Inspection error Invalid object The timer object is invalid. \n Empty timer object: 0-by-0\n\n One or more objects could not be started or have already been started. Taking the ''floor'' of ''TasksToExecute'' should be positive Unable to load the saved timer(s). It is either invalid or incompatible with this version of MATLAB. Please, recreate the timer object or reload and save the timer object in a release between R2009a - R2019b. Incomplete property-value pair. The third argument to the timer callback must be a string scalar, character array, a function handle, or a cell array. {0} callback must be set to a string scalar, a function handle, or a 1-by-N cell array. The first element of the 1-by-N cell array must be the callback function name or handle. Can''t wait with a timer that has an infinite TasksToExecute. Invalid timer object. This object has been deleted and should be removed from your workspace using CLEAR. Error in specification of serial date number. See help TIMER/STARTAT. {0} property is limited to 1 millisecond precision. Sub-millisecond precision will be ignored. OBJ must be a timer object. STARTAT requires at least two parameters. See help TIMER/STARTAT. STARTAT requires start delay values to be scalar or equal to OBJ length. See help TIMER/STARTAT. Input to timerfind/timerfindall can be a scalar struct or name-value pair. Vector of structs is not allowed. One or more invalid timer objects in input array. The specified start time has already passed. Unable to load the saved timer(s). Unable to execute ''ErrorFcn''.