not supported myeclipse2019

[plzy86]

I have the errors when i installed flowable-desinger plugs:
Cannot complete the install because of a conflicting dependency.
Software being installed: Flowable Eclipse BPMN 2.0 Designer 5.22.0 (org.flowable.designer.feature.feature.group 5.22.0)
Software currently installed: MyEclipse CI 16.0.0.c0000006t201904031303 (package.2915-Enr-0574.windows.x86_64 16.0.0.c0000006t201904031303)
Only one of the following can be installed at once:
Graphiti (Incubation) 0.15.0.201806050830 (org.eclipse.graphiti 0.15.0.201806050830)
Graphiti (Incubation) 0.13.1.v20160830-1309 (org.eclipse.graphiti 0.13.1.v20160830-1309)
Cannot satisfy dependency:
From: Graphiti (Incubation) 0.13.1.v20160830-1309 (org.eclipse.graphiti.feature.feature.group 0.13.1.v20160830-1309)
To: org.eclipse.equinox.p2.iu; org.eclipse.graphiti [0.13.1.v20160830-1309,0.13.1.v20160830-1309]
Cannot satisfy dependency:
From: Flowable Eclipse BPMN 2.0 Designer 5.22.0 (org.flowable.designer.feature.feature.group 5.22.0)
To: org.eclipse.equinox.p2.iu; org.eclipse.graphiti.feature.feature.group [0.13.1.v20160830-1309,0.13.1.v20160830-1309]
Cannot satisfy dependency:
From: MyEclipse CI 16.0.0.c0000006t201904031303 (package.2915-Enr-0574.windows.x86_64 16.0.0.c0000006t201904031303)
To: org.eclipse.equinox.p2.iu; org.eclipse.graphiti [0.15.0.201806050830,0.15.0.201806050830]

When I Checked my softwares, I found that the plugs import an old compent named org.eclipse.graphiti ,I try to hardcode the plugs version,but it did not work . How Can I Fixed this Error?