A specific perspective column border disappear when using actual field name

I’m using Ignition 8.1.32 and a perspective table component and one specific column H2_YES_NO header border will disappear if I use the exact column name that comes back from the database/named query. The first screen shot is the column names returned by the named query. Data is always going to be returned for this named query.

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When I use the exact name for the column field for [7] the border disappears in the header and the entire table body.

All the columns are in the same order as they come back from the named query. Column[7] is the only column giving me this border disappearing issue. When I take the name away from the field property for column[7] the header border and table body border will appear but I lose the options of sorting.

Is there a way to resolve this issue?

Looks like the string width plus the width to display the sort indicator is exceeding the width of the column, and its spilling over. Change the word wrap or overflow wrap settings in the style for that column header or make the column wider. Or choose a better string to have as a column label.