# The data vendor provides this type of data;
# The symbol [[Data Sources Overview#Adding Symbol from Data Vendor Supplied List|should be added correctly]];
# [[Creating Charts#Merging Data Sources into a Single Chart|Merging]] is not checked until it is required (should be used only for merging 2 different data sources into 1 single chart);
# [[Symbol Mapping]] is set up correctly;
# Your data subscription is not delayed.
[[Category:FAQ]]