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=Troubleshooting=
==Missing Historical Data on Charts==
Before checking the settings in MultiCharts, it is recommended to check the historical dataavailability in data vendor's software.
Settings a customer needs to check if historical data is not coming from data vendor’s server:
# The software is in Online mode and Download Missing Historical Data box is checked;
<div style="background-color: #E3FBE5;">'''Note''': To learn more about how various resolutions are built, read [[Tick, Minute and Daily Data|this article]].</div>
<div style="background-color: #E3FBE5;">'''Note''': To learn more about how sessions setting affects charts, read [[What Affects Chart Timestamps|this article]].</div>
<div style="background-color: #E5F6FF;">'''Important information''': When the software requests historical data from a data source’s server, the returned data is stored locally in the database (TradeStation data can be saved or not depending the respective setting). If a data vendor doesn’t return historical data for a reason, so-called “empty interval” is recorded in the database, so MultiCharts will not fill the gap when the missing data becomes available on data source end(you can check what data is already stored in the database by making a right-click on the symbols in QM and selecting "Edit Data..."). In this case customers should reload data manually in MultiCharts: new historical data for the specified period will be requested; previously stored data and empty intervals will be replaced by new data from server in the local database.</div>
==Absence of Real-Time Data==
Before checking the settings in MultiCharts, it is recommended to check the historical data
