Tag: sharepoint 2013 product version timer job

Product Version Job Collection was modified enumeration operation may not execute

product version job collection was modified enumeration operation may not execute

 7,567 total views

 7,567 total views The product version job collection was modified enumeration operation may not execute – sometimes we may get this error from the SharePoint server that “Product Version Job: Collection was modified; enumeration operation may not execute ((Correlation=0b9de10e-4bb7-4010-ab62-e91d5375e0ac)”, and in the ULS log we will get the below entry: “at System.Collections.Generic.List`1.Enumerator.MoveNextRare() at Microsoft.SharePoint.Upgrade.SPUpgradeSession.NeedsUpgrade(Object o, Boolean

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