ebay seller manager pro inventory

i have 2507 active skus on ebay and i need to save them to seller manager pro inventory. when i try to save them, it asks me to enter custom label ( sku ) again even though i already did it for that listing.

Can anyone provide solution and do it in bulk quickly ?

Evner: Databehandling, Excel

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Om arbejdsgiveren:
( 8 bedømmelser ) RALEIGH, United States

Projekt ID: #6033597