Rocket Source reads a period as the decimal separator and a comma as the thousands separator. Use 1,234.56, not 1.234,56.
Change this
1.234,56To this
1,234.56When you start a new scan, Rocket Source checks the first rows of your Cost and MAP columns. If a value uses a comma as the decimal separator, you see a warning with the value it found.
Fix the file with the steps below, then upload it again.
..,, then close Preferences...,, then select OK.If changing the display does not update your values, add a temporary column next to Cost or MAP. For a value in A2, enter =NUMBERVALUE(A2, ",", "."). Fill the formula down, copy the new column, then paste values over the original column.
Check a few rows before uploading. This conversion is for values that currently use a comma as the decimal separator.
Microsoft's guide includes screenshots of the Windows separator settings: Change the character used to separate thousands or decimals.