JCEF is not supported in this env or failed to initialize

[gwathlobal]

Downloaded IDEA Community Edition 2023.3.2 from the official site.
Installed SLT 0.5.3.

At IDE startup, I get the following error:

com.intellij.diagnostic.PluginException: Cannot init toolwindow com.en_circle.slt.plugin.SltSideBarToolWindowFactory@3d5b8c1b [Plugin: com.en_circle.slt.plugin]
	at com.intellij.toolWindow.ToolWindowSetInitializerKt.registerToolWindows(ToolWindowSetInitializer.kt:233)
	at com.intellij.toolWindow.ToolWindowSetInitializerKt.access$registerToolWindows(ToolWindowSetInitializer.kt:1)
	at com.intellij.toolWindow.ToolWindowSetInitializer$createAndLayoutToolWindows$entries$1$1.invokeSuspend(ToolWindowSetInitializer.kt:141)
	at com.intellij.toolWindow.ToolWindowSetInitializer$createAndLayoutToolWindows$entries$1$1.invoke(ToolWindowSetInitializer.kt)
	at com.intellij.toolWindow.ToolWindowSetInitializer$createAndLayoutToolWindows$entries$1$1.invoke(ToolWindowSetInitializer.kt)
	at kotlinx.coroutines.intrinsics.UndispatchedKt.startUndispatchedOrReturn(Undispatched.kt:78)
	at kotlinx.coroutines.BuildersKt__Builders_commonKt.withContext(Builders.common.kt:167)
	at kotlinx.coroutines.BuildersKt.withContext(Unknown Source)
	at com.intellij.platform.diagnostic.telemetry.impl.TracerKt.span(tracer.kt:56)
	at com.intellij.platform.diagnostic.telemetry.impl.TracerKt.span$default(tracer.kt:49)
	at com.intellij.toolWindow.ToolWindowSetInitializer$createAndLayoutToolWindows$entries$1.invokeSuspend(ToolWindowSetInitializer.kt:138)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:108)
	at com.intellij.openapi.application.TransactionGuardImpl$1.run(TransactionGuardImpl.java:194)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:843)
	at com.intellij.openapi.application.impl.ApplicationImpl$4.run(ApplicationImpl.java:463)
	at com.intellij.openapi.application.impl.RwLockHolder.runWithEnabledImplicitRead(RwLockHolder.kt:75)
	at com.intellij.openapi.application.impl.RwLockHolder.runWithImplicitRead(RwLockHolder.kt:67)
	at com.intellij.openapi.application.impl.ApplicationImpl.runWithImplicitRead(ApplicationImpl.java:1436)
	at com.intellij.openapi.application.impl.FlushQueue.doRun(FlushQueue.java:82)
	at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:124)
	at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:44)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:792)
	at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:739)
	at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:733)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:761)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:695)
	at com.intellij.ide.IdeEventQueue._dispatchEvent$lambda$12(IdeEventQueue.kt:589)
	at com.intellij.openapi.application.impl.RwLockHolder.runWithoutImplicitRead(RwLockHolder.kt:44)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:589)
	at com.intellij.ide.IdeEventQueue.access$_dispatchEvent(IdeEventQueue.kt:72)
	at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:355)
	at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:354)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:793)
	at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:354)
	at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:349)
	at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$1(IdeEventQueue.kt:1014)
	at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:106)
	at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:1014)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$7(IdeEventQueue.kt:349)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:848)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:391)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)
Caused by: java.lang.IllegalStateException: JCEF is not supported in this env or failed to initialize
	at com.intellij.ui.jcef.JBCefApp.getInstance(JBCefApp.java:122)
	at com.intellij.ui.jcef.JBCefBrowserBase.lambda$new$3(JBCefBrowserBase.java:157)
	at com.intellij.util.ObjectUtils.notNull(ObjectUtils.java:121)
	at com.intellij.ui.jcef.JBCefBrowserBase.<init>(JBCefBrowserBase.java:157)
	at com.intellij.ui.jcef.JBCefBrowser.<init>(JBCefBrowser.java:190)
	at com.intellij.ui.jcef.JBCefBrowser.<init>(JBCefBrowser.java:150)
	at com.en_circle.slt.plugin.ui.SltHyperspecView.<init>(SltHyperspecView.java:69)
	at com.en_circle.slt.plugin.SltSideBarToolWindowFactory.createToolWindowContent(SltSideBarToolWindowFactory.java:20)
	at com.intellij.openapi.wm.impl.ToolWindowImpl.createContentIfNeeded(ToolWindowImpl.kt:594)
	at com.intellij.openapi.wm.impl.ToolWindowImpl.scheduleContentInitializationIfNeeded$intellij_platform_ide_impl(ToolWindowImpl.kt:573)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.doShowWindow(ToolWindowManagerImpl.kt:1035)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.showToolWindowImpl(ToolWindowManagerImpl.kt:969)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.showToolWindowImpl$default(ToolWindowManagerImpl.kt:955)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl$registerToolWindow$postTask$1.invoke(ToolWindowManagerImpl.kt:1168)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl$registerToolWindow$postTask$1.invoke(ToolWindowManagerImpl.kt:1167)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.registerToolWindow$intellij_platform_ide_impl(ToolWindowManagerImpl.kt:1181)
	at com.intellij.toolWindow.ToolWindowSetInitializerKt.registerToolWindows(ToolWindowSetInitializer.kt:223)
	... 50 more

And, for example, inspector window does not show anything.

OS: Linux Mint 21.2