"Instance with cwd `[path]` already exists!" exception thrown under linux, then the language server crashes when used with Kate

[ZILtoid1991]

object.Exception@../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/workspace-d/source/workspaced/backend.d(650): Instance with cwd '/home/user/Documents/github/pixelperfectengine' already exists!
[00:39:35  LSP Server Log] d@/home/user
----------------
??:? [0x5568f8885aae]
??:? [0x5568f8885712]
??:? [0x5568f88ad3ce]
??:? [0x5568f888e42f]
../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/workspace-d/source/workspaced/backend.d:650 [0x5568f8175ef6]
../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/source/served/extension.d:578 [0x5568f7e7dfe2]
../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/source/served/extension.d:96 [0x5568f7de1217]
../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/serverbase/source/served/utils/events.d:209 [0x5568f7de21f5]
../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/serverbase/source/served/utils/events.d:597 [0x5568f7de2148]
../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/serverbase/source/served/utils/events.d:208 [0x5568f7de210f]
../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/serverbase/source/served/utils/serverconfig.d:249 [0x5568f7e82ee8]
../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/serverbase/source/served/utils/serverconfig.d:220 [0x5568f7e82648]
../../.dub/packages/serve-d/0.8.0-beta.18/serve-d/serverbase/source/served/utils/async.d:57 [0x5568f8096805]
[00:39:35  LSP Server Log] d@/home/user
??:? [0x5568f8886992]
[00:39:35  LSP Client Warning] Server terminated unexpectedly ... NOT Restarting [/home/user/dlang/serve-d/serve-d] [homepage: https://github.com/Pure-D/serve-d]

At the moment, this is the most I can get out of it. Could be a bad version of Kate, since it was hard to acquire it for my Linux installation.