2707974 - Variant <Variant_name> of program SBAL_DELETE is not the current version

SBAL_DELETE report has been scheduled as a background job, and Job gets canceled with following Job Log:

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     Job log         Time            Message text uncoded
     dd.mm.yyyy hh:mm:ss    Job started
     dd.mm.yyyy hh:mm:ss    Step 001 started (program SBAL_DELETE, variant <Variant_name>, user ID <name>)
     dd.mm.yyyy hh:mm:ss    Variant <Variant_name> of program SBAL_DELETE is not the current version
     dd.mm.yyyy hh:mm:ss    Job cancelled
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When you try to display affected SBAL_DELETE variant, you’re getting error:

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     Variant <Variant_name> of program SBAL_DELETE is not the current version

     Message no. DB634

    Diagnosis
   The variant <Variant_name> is to be imported for the report SBAL_DELETE. SELECT-OPTIONS or PARAMETER in the report has changed significantly since the variant was created. This means that the type or length of individual  parameters no longer match or that SELECT-OPTIONS was switched for PARAMETER (or vice versa). Some of these changes are so great that the variant can no longer be imported or that the import causes runtime errors.
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SAP NetWeaver system

RSVARDOC_610, SBAL_DELETE, variant, is not the current version, DB634, Message no. DB634, Variant of program SBAL_DELETE is not the current version, SAP&ARCHIVING, Z_SBAL, SAP&S4HREORG, SBAL_DELETE , KBA , BC-SRV-BAL , Basis Application Log , BC-ABA-TO , Selection Variants, Selection Screen Services , Problem