get_png_bad_graphviz(StdErr)

java.io.IOException: Cannot run program "/home/runner/work/plantuml/plantuml/this_exe_do_not_exist": Exec failed, error: 2 (No such file or directory) 
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1170)
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1089)
	at net.sourceforge.plantuml.dot.ProcessRunner.run(ProcessRunner.java:71)
	at net.sourceforge.plantuml.dot.ProcessRunner.run(ProcessRunner.java:60)
	at net.sourceforge.plantuml.dot.GraphvizVersionFinder.dotVersion(GraphvizVersionFinder.java:120)
	at net.sourceforge.plantuml.dot.GraphvizVersionFinder.getVersion(GraphvizVersionFinder.java:75)
	at net.sourceforge.plantuml.dot.GraphvizRuntimeEnvironment.getVersion(GraphvizRuntimeEnvironment.java:87)
	at net.sourceforge.plantuml.svek.DotStringFactory.getGraphvizVersionInternal(DotStringFactory.java:278)
	at net.sourceforge.plantuml.svek.DotStringFactory.getGraphvizVersion(DotStringFactory.java:263)
	at net.sourceforge.plantuml.svek.GraphvizImageBuilder.printEntityInternal(GraphvizImageBuilder.java:379)
	at net.sourceforge.plantuml.svek.GraphvizImageBuilder.printEntity(GraphvizImageBuilder.java:361)
	at net.sourceforge.plantuml.svek.GraphvizImageBuilder.printEntities(GraphvizImageBuilder.java:353)
	at net.sourceforge.plantuml.svek.GraphvizImageBuilder.buildImage(GraphvizImageBuilder.java:227)
	at net.sourceforge.plantuml.svek.CucaDiagramFileMakerSvek.getTextBlock12026(CucaDiagramFileMakerSvek.java:82)
	at net.atmp.CucaDiagram.getTextBlock12026(CucaDiagram.java:505)
	at net.sourceforge.plantuml.UgDiagram.getExporter(UgDiagram.java:121)
	at net.sourceforge.plantuml.UgDiagram.exportDiagram(UgDiagram.java:93)
	at net.sourceforge.plantuml.picoweb.PicoWebServer.handleGET(PicoWebServer.java:250)
	at net.sourceforge.plantuml.picoweb.PicoWebServer.run(PicoWebServer.java:132)
	at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.io.IOException: Exec failed, error: 2 (No such file or directory) 
	at java.base/java.lang.ProcessImpl.forkAndExec(Native Method)
	at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:295)
	at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:225)
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1126)
	... 19 more