3511245 - "Enter a valid value for every month" error raised when trying to create a Monthly recurring IT event and set monthly interval other than 1

In IT Calendar and Work Modes, when trying to create a Monthly recurring IT event and set monthly interval other than 1, such as 2,3,4..., then it will popup error "Enter a valid value for every month".

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Solution Manager 7.2

Solution Manager, Solman, IT event, recurring IT event, Monthly, Enter a valid value for every month , KBA , SV-SMG-ADM-DTM , Downtime / Work Mode Management , Problem