2603586 - Error in Phase SUM PREP_EXTENSION/CONFLICT_CHECK - Software component "CTS_PLUG" rel."999"

• During an upgrade using the Software Update Manager (SUM) an error occurs in Phase PREP_EXTENSION/CONFLICT_CHECK
• The error message reported in SUM is:
  
  Severe error(s) occurred in phase PREP_EXTENSION/CONFLICT_CHECK!

  Last error code set:
  
  Conflict check failed, return Code = -2 Reason =
  "There are upgrades to required software component versions missing" check log
  'SPDA_CONFLCHK.LOG' for details

• In the SPDA_CONFLCHK.LOG the error message is similar to:
  
  

  3EETN586 There are upgrades to required software component versions missing
  3EETN581 Software component "CTS_PLUG" rel."999" is required (see note "1665940")
  3EETN583 Revise the selected 'Technical Usages' in the Maintenance Optimizer
  3EETN584 Revise the selections and decisions in the phase IS_SELECT
  2EETN586 There are upgrades to required software component versions missing

  
  
  
  

Plugin CTS , KBA , BC-UPG-OCS-SPA , Support package tools for ABAP , Problem