SharePoint 2013 “Runtime Error”

I’m receiving this error when trying to check-in a document in a document library (it’s only occurring on this document library).


Runtime Error


Server Error in ‘/’ Application. You must fill out all required properties before checking in this document. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: Microsoft.SharePoint.SPException: You must fill out all required properties before checking in this document.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[SPException: You must fill out all required properties before checking in this document.] Microsoft.SharePoint.ApplicationPages.Checkin.OnLoad(EventArgs e) +2194 System.Web.UI.Control.LoadRecursive() +95 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2936