Need help, can you guys tell me what to do?

!Package conflict: multiple packages placed at the same location ( at parts\Wheels_Pack_20\scripts)
!Class not found: java.game.parts.rgearpart.reciprocatingrgearpart.brake.DiscBrake2 in file "java.game.Catalog" at line 297
!JVM::getClass: class "java.game.parts.rgearpart.reciprocatingrgearpart.brake.DiscBrake2" not found in file "java.game.Catalog" at line 297
!Class not found: java.game.parts.rgearpart.reciprocatingrgearpart.brake.DiscBrake2 in file "java.game.Catalog" at line 297
!JVM::getClass: class "java.game.parts.rgearpart.reciprocatingrgearpart.brake.DiscBrake2" not found in file "java.game.Catalog" at line 297
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_22_18 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_23_17 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_24_16 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_25_19 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_26_18 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_27_17 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_28_16 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_29_19 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_30_18 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_31_17 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_32_16 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_33_19 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_34_18 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_35_17 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location (java.game.parts.hq_rims6.rim_36_16 at parts\hq_rims8\scripts)
!Package conflict: multiple packages placed at the same location ( at parts\POR_930Turbo_Rims\scripts)