Please move the umbrello related files which have been uploaded to upload.kde.org/incoming to download mirror 'stable/umbrello/2.30.0' location and remove the old files from this directory.
dir shasum file
src 8ed71a6ebeba5172d31c92bac5b2166dbb4601a6ebb14ca375d4fa3d8122a28a umbrello-2.30.0-src.7z
win32 e5b353a7ff54fb055e22fb3fabb1a8428f242b2ab62d687fc53345dd74be47bc umbrello-mingw32-2.30.0-31.5-bin.7z
win32 a6e4c9f3dfa77b8a6f62bcdcc1c2d9513926a195d9c37a80a34cc3d40da32661 umbrello-mingw32-2.30.0-31.5-debug.7z
win32 6d5a316d640ffeeb42a8a1ae60bf8a452af12bbc0d49b4249614254d4b215cc4 umbrello-mingw32-2.30.0-31.5-setup.exe
win64 9586e0f996fc062d0793fae5000350a938cd1ad8b5ee12990a270f8455f0a074 umbrello-mingw64-2.30.0-103.4-bin.7z
win64 2455f2ec7d2eefd87f49660f64fb7d6c437dc46f1a5bb9af86fb0fa8f4c31712 umbrello-mingw64-2.30.0-103.4-debug.7z
win64 167d9e8c1c308b4acc6835fa3d42721aa8bf98f89d0e68b355b9860a0c44a1d2 umbrello-mingw64-2.30.0-103.4-setup.exe