You are making a material visible in your new season but the price shown is 0 but is listed correctly in the previous season. This indicates that the season settings need to be adjusted.
When Raw Materials (and Products) are made visible from previous seasons, the pricing information is season specific. When you make a new season, Zedonk needs to know what season to carry this information from.
Make sure each season is set up correctly and "Previous Season" is always specified.
When you carry a material forward, Zedonk will look for its price in the "previous season", then the previous to that one and so on, up the chain until it finds it.
If this field is not set correctly, Zedonk will not find the previous price for the material and this will be shown as 0 in the new season.
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