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

 7,231 total views

 7,231 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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