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Date/Time: Sun, 20 Sep 2020 19:47:52 +0000



Problem loading ES Chartbook

[2020-08-21 00:45:55]
User347037 - Posts: 124 | Ending Date: 2021-06-16
Support,

I have my ES chartbook that have not changed for smore than a week (no new settings, alterations or new studies). As of today reopen I am no longer able to successfully load this chartbook after restarting Sierra. After chartbook is opened and loaded it continues to reload historical data every few seconds and freezing the platform. I have deleted all data files for ES and brought back the backup copy of the same chartbook as of 4 days ago. Now the problem is different - it continues to display "Downloading Continuous Contract data" on several charts and never comes back.

This clearly looks like an issue with a data feed of some sort as this same very chartbook has been working perfectly fine as of few hours ago.

I am using version 148 and loading maximum of 120 days of data (as it was configured for many weeks and worked without any issues).

Please advise.
[2020-08-21 14:54:26]
John - SC Support - Posts: 2471 | Ending Date: 2020-09-30
The first thing to do is to run in Safe Mode and see if the issue is related to any 3rd party studies that may be on your chart. Refer to the information here:
https://www.sierrachart.com/index.php?page=doc/LoginInstructions.php#UsingSafeMode

If you continue to have a problem when in Safe Mode, then we would need to see your Message Log. Refer to these instructions:

Follow the instructions here to clear the Message Log:
https://www.sierrachart.com/index.php?page=doc/MessageLog.html#Clearing

Open a chart for the symbol you have an issue with.

Disconnect from the data feed with "File >> Disconnect".

Connect to the data feed with "File >> Connect to Data Feed".

After the connection and after about 10 seconds, provide a copy of the Message Log following these instructions:
https://www.sierrachart.com/index.php?page=PostingInformation.php#MessageLog
[2020-08-21 15:35:08]
User347037 - Posts: 124 | Ending Date: 2021-06-16
John,

Thank you for your reply. You were absolutely correct about one of the 3rd party studies causing the problem. Apparently, one of the charts in the chart book (the most complex one, with many overlays and several custom studies) got corrupted somehow.

I did exactly what you recommended:

1. Started in safe mode
2. Opened the same chart book that caused the problem while in the "Safe Mode"
3. Closed the Sierra and restarted everything again without "Safe Mode"

This time the chartbook loaded normally but it blew out the settings for all custom studies on all charts so they needed to be reconfigured.

4. Saved the chart book again and it's working fine now.


Now, I have a question....in situation like this, when chart book is complex and has many charts....is there a way to quickly identify WHICH chart or which study is causing the problem?

It would be very helpful if Sierra log printed some sort of specific pointer to which study or which chart is causing the abnormality. It took me almost 5 hours to rebuild the chart book as it is very complex so it would really save time of trial and error of identifying the bad component.

More detailed log DUMP feature would be very helpful!

Thank you,

D.
Date Time Of Last Edit: 2020-08-21 15:36:39
[2020-08-21 15:54:07]
John - SC Support - Posts: 2471 | Ending Date: 2020-09-30
You can look in the Message Log which might give some indication, but it just depends on the particular error that is causing a problem. Keep in mind that most often when there is a problem like this, the Sierra Chart software does not even know, as it is just waiting for a custom study to finish its calculations.
Date Time Of Last Edit: 2020-09-16 21:51:23
[2020-09-16 21:50:42]
Sierra Chart Engineering - Posts: 89756 | Ending Date: 2021-04-05
This time the chartbook loaded normally but it blew out the settings for all custom studies on all charts so they needed to be reconfigured.
This will be solved in the next release. We really were not aware of this and this is a serious issue. We wonder if it relates to the new Chartbook format, or if it has always existed.


Now, I have a question....in situation like this, when chart book is complex and has many charts....is there a way to quickly identify WHICH chart or which study is causing the problem?
Yes you need to look at the calculation time:
https://www.sierrachart.com/index.php?page=doc/ChartStudies.html#StudiesToGraph
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. If possible please keep your questions brief and to the point. Please be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

If your question/request has been answered and you do not have anything further, then it is easiest for us if you do not reply again to say thank you.
Date Time Of Last Edit: 2020-09-17 02:49:09
[2020-09-17 01:58:02]
User347037 - Posts: 124 | Ending Date: 2021-06-16
Great point, thank you!

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