Unable to Export Item Wise Sales Register Report

Hi, Could please help me with this report. Every time I run the report for Item Wise Sales Register filtering 01/01/2011 to date it gives me this reply “504 Gateway Time-out” after exporting. Thank you so much for your immediate response for we really need this report. Thank you

@stephgumpal
Seems to be working fine in the test account. Which version you are on?
Perhaps you can try exporting the report in parts.
Hope this helps