Instead of posting a followup to a thread with the subject not reflecting 
your problem,
please start a new thread.
Please also specify how you installed Sage. 

On Sunday, September 10, 2017 at 3:53:05 PM UTC+1, Kannan Moudgalya wrote:
>
> I used to run Sage in a old version of Mac OS X, which I have now upgraded 
> to Sierra.  I reinstalled Sage 8, which seems to work fine.  On opening the 
> new Sage, on the browser, I see links to the applications/notebooks that I 
> previously generated.  Unfortunately, these links do not work.  I get the 
> message "Notebook Bug -- missing template 
> html/notebook/worksheet_page.html".  How can I fix these links?
>
> On Friday, October 21, 2016 at 7:29:45 AM UTC+5:30, kcrisman wrote:
>>
>>
>>
>> On Friday, October 7, 2016 at 4:14:34 AM UTC-4, Samuel Dupree wrote:
>>>
>>> I'm attempting to run Sage 7.2 on a MacBook Pro running Mac OS X ver. 
>>> 10.12 (Sierra). Sage won't start up and it gives me the following messages: 
>>>
>>>
>>> Last login: Fri Oct  7 00:13:52 on ttys000 
>>> '/Applications/SageMath-7.3.app/Contents/Resources/sage/sage' 
>>> --notebook=sagenb 
>>> -bash: /Applications/mesasdk/bin/mesasdk_init.sh: No such file or 
>>> directory 
>>> users-MacBook-Pro:~ user$ 
>>> '/Applications/SageMath-7.3.app/Contents/Resources/sage/sage' 
>>> --notebook=sagenb 
>>> sys:1: RuntimeWarning: not adding directory '' to sys.path since it's 
>>> writable by an untrusted group. 
>>> Untrusted users could put files in this directory which might then be 
>>> imported by your Python code. As a general precaution from similar 
>>> exploits, you should not execute Python code from this directory 
>>> ┌────────────────────────────────────────────────────────────────────┐ 
>>> │ SageMath version 7.3, Release Date: 2016-08-04                     │ 
>>> │ Type "notebook()" for the browser-based notebook interface.        │ 
>>> │ Type "help()" for help.                                            │ 
>>> └────────────────────────────────────────────────────────────────────┘ 
>>> Please wait while the old SageNB Notebook server starts... 
>>> Setting permissions of DOT_SAGE directory so only you can read and write 
>>> it. 
>>> Traceback (most recent call last): 
>>>   File 
>>> "/Applications/SageMath-7.3.app/Contents/Resources/sage/src/bin/sage-notebook",
>>>  
>>> line 225, in <module> 
>>>     launcher(unknown) 
>>>   File 
>>> "/Applications/SageMath-7.3.app/Contents/Resources/sage/src/bin/sage-notebook",
>>>  
>>> line 69, in __init__ 
>>>     from sagenb.notebook.notebook_object import notebook 
>>>   File 
>>> "/Applications/SageMath-7.3.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sagenb/notebook/notebook_object.py",
>>>  
>>> line 17, in <module> 
>>>     import notebook as _notebook 
>>>   File 
>>> "/Applications/SageMath-7.3.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sagenb/notebook/notebook.py",
>>>  
>>> line 35, in <module> 
>>>     from sagenb.misc.misc import (pad_zeros, cputime, tmp_dir, load, 
>>> save, 
>>>   File 
>>> "/Applications/SageMath-7.3.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sagenb/misc/misc.py",
>>>  
>>> line 196, in <module> 
>>>     import sage.all 
>>>   File 
>>> "/Applications/SageMath-7.3.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sage/all.py",
>>>  
>>> line 92, in <module> 
>>>     from sage.misc.all       import *         # takes a while 
>>>   File 
>>> "/Applications/SageMath-7.3.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sage/misc/all.py",
>>>  
>>> line 5, in <module> 
>>>     from .misc import (alarm, cancel_alarm, 
>>>   File 
>>> "/Applications/SageMath-7.3.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sage/misc/misc.py",
>>>  
>>> line 143, in <module> 
>>>     os.chmod(DOT_SAGE, _desired_mode) 
>>> OSError: [Errno 1] Operation not permitted: '*/Users/user/*.sage/' 
>>> users-MacBook-Pro:~ user$ 
>>>
>>> Any suggestions? 
>>>
>>
>> You may be running Sage in a directory you don't have permission for, or 
>> at least maybe you aren't running it with enough permission to create the 
>> .sage/ directory (env var DOT_SAGE) that is needed.  This is a typical 
>> error message in that situation.  If it's your own computer, that is a 
>> little surprising, though.
>>
>

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