API Error Message: Error retrieving backtest chart, please try again later
QUANTCONNECT COMMUNITY
API Error Message: Error retrieving backtest chart, please try again later
The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security or strategy, nor does it constitute an offer to provide investment advisory services by QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect makes no guarantees as to the accuracy or completeness of the views expressed in the website. The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.
Mia Alissi
Here’s how Trader can troubleshoot the error message:
"API Error Message: Error retrieving backtest chart, please try again later"
Common Causes and Solutions
1. Charting Quotas Exceeded
QuantConnect enforces strict limits on custom chart usage depending on your subscription tier:
If you exceed these quotas:
Exceeded maximum chart series count, new series will be ignored.Exceeded maximum points per chart, data skippedSolution:
self.plot()orself.add_chart()usage:2. Temporary Platform/Network Issues
This error can sometimes be transient (network blips or service hiccups).
Solution:
3. Chart/Series Name Conflicts
Solution:
4. Excessive Custom Charts
Solution:
5. Algorithmic Bugs
Solution:
Action Plan for Trader:
If you want, I can show you example code to keep custom chart usage within quotas or to check for quota limits in your algorithm. Just let me know!
Sources: Charting - QuantConnect.com, Results - QuantConnect.com, Results - QuantConnect.com
The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security or strategy, nor does it constitute an offer to provide investment advisory services by QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect makes no guarantees as to the accuracy or completeness of the views expressed in the website. The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.
Trader Ostburg
The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security or strategy, nor does it constitute an offer to provide investment advisory services by QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect makes no guarantees as to the accuracy or completeness of the views expressed in the website. The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.
To unlock posting to the community forums please complete at least 30% of Boot Camp.
You can continue your Boot Camp training progress from the terminal. We hope to see you in the community soon!