Known Issue: Column value not populated when “_Value” is used in SharePoint column name
KB001990
PRODUCTK2 blackpearl 4.7
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Issue Description
When you integrate K2 with a SharePoint list or library that has a “_Value” in a column name, the column value is not populated. For example, a column with the name Book_Value.
Cause
K2 ignores underscores when querying SharePoint.
Workaround
Rename the list/ library column to remove the “_Value” from the name. For example, change Book_Value to BookValue