KEIX - ECP in Several Plan Versions

The following messages are stored in message class KEIX: ECP in Several Plan Versions.
It is part of development package CNECP in software component PS-COS-PLN-CAL. This development package consists of objects that can be grouped under "PS: Easy Cost Planning in Multiple Plan Versions".

Message Nr ▲	Message Text
000	& & & &
001	For "&1" select exactly one row
002	Select the versions to be deleted
003	Default version for Easy Cost Planning is not maintained
004	No Easy Cost Planning can be created in version &1
005	Version &1 for &2 already exists
006	Costing variant &1 is not allowed for Easy Cost Planning
007	Enter a version
008	Enter a costing variant
009	Version &1 for &2 is locked by user &3
010	At least one object could not be locked
011	There is no version &2 for &1
012	The version &1 already exists and was read
013	For "&1" select at least one row
014	A costing has not been created yet for &1 in version &2
015	Version &1 is locked
016	The target version must be different from the source version
017	You do not have sufficient authorization
018	You do not have authorization for &1 of costing for &2
019	Messages were issued for &1 of version &2
020	&1, version &2: ECP is not allowed for plan-integrated objects
021	Enter a source version
022	Enter a target version
023	Source version and target version must be different
024	Version &1 does not exist or is not allowed for ECP
025	Proj. or proj. branch does not contain any/non-calculable plan. elements
026	&1, version &2: unit costing already exists
027	ECP is already active in multiple plan versions
028	You deleted version &1. Save first
029	Easy Cost Planning already exists for &1 in version &2
030	Easy Cost Planning is not active in multiple plan versions
031	A(n) &1 occurred when copying Easy Cost Planning