After Installation, Matlab 2018a does not open any files

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Jan Duehrkop
Jan Duehrkop 2018-7-10
评论： eva leunissen 2019-6-23
Hi. I have installed Matlab 2018a. When I start it, the following messages appears: Undefined function or variable 'mls.internal.FevalService.init'. Undefined function or variable 'connector.internal.lifecycle.callConnectorStarted'.
When I want to open .m files, the following pops up: Error using open (line 146) Undefined variable "matlab" or class "matlab.settings.internal.settings".
What is this? THX.

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回答（2 个）

Jan
Jan 2018-7-10
The installation failed. I'd try an uninstall + reinstall. If you get the same problems, download the software again. If the problem remains, contact the technical support for the free installation help.
Dr. Seis
Dr. Seis 2019-3-8
Installation failure does not seem like the culprit in my case - launching R2018b from a RedHat6 Unix machine.
I get the exact same warning/error messages as OP when I try to launch this version of Matlab (from a terminal) from my main Matlab working directory. If I switch to any other directory and try to launch, then there is no issue. The other weird thing is that it is throwing warnings about various toolboxes/toolbox directories not existing - again only when launching from my "working directory" - which seem to be toolbox names that are only found inside the "toolbox_cache" for the OLD Matlab version (in my case R2011a), e.g.,
/home/{MY_ID}/.matlab/{MATLAB_VERSION}/toolbox_cache-...-glnxa64.xml
Again, once I launched Matlab R2018b from another directory things were fine. I wonder if there is something in my working directory that is pointing the newer Matlab to the wrong system/desktop/user settings??
  1 个评论
eva leunissen
eva leunissen 2019-6-23
I had a similar problem and found this answer: https://au.mathworks.com/matlabcentral/answers/137195-matlab-r2014b-error-on-startup
"Try issuing this command (save your original PATH to a .mat file if you care about wanting to be able to recreate it):
restoredefaultpath"
This worked for me

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