We have an issue where we are not able to change the date on the Advanced Pricing of products.
After some troubleshooting, I have come to these conclusions about what the issue could be.
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This seems to only affect products that had advanced pricing before. But for this case, it is a bit strange since the product that we are trying to change the advanced pricing for today is only a Christmas product that is only sold during Nov – December. But the date is stuck from the beginning of May to and end of May. Products that never had advanced pricing do not have this issue and the date starts from today’s date.
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I know this product was imported by the Wyomind Mass Product Import module, and it seems to be those products that have the same issue. Of the products that I have checked all of them have start and end dates in May as I explained above.
Could this be that it is stuck on a specific date? Do I need to remove values in DB?
Do products that have been imported by mass product import need to be updated the same way when it comes to Advanced prices?