每当我打开Rstudio时，对于一个项目，控制台只会显示带有粉红色背景的红点：
在其他文件中，屏幕截图很好，但是运行代码的速度却很慢。
在诊断文件上，对于运行代码的今天，我得到以下信息：
09 Nov 2018 03:36:36 [rsession-shill] ERROR jsonrpc error 5 (Invalid json or unexpected error occurred while parsing); OCCURRED AT: rstudio::core::Error rstudio::session::modules::rmarkdown::notebook::getChunkJson(const rstudio::core::FilePath&, rstudio::core::json::Object*) C:\Users\Administrator\rstudio\src\cpp\session\modules\rmarkdown\NotebookChunkDefs.cpp:140; LOGGED FROM: void rstudio::session::modules::source::{anonymous}::writeDocToJson(rstudio_boost::shared_ptr<rstudio::session::source_database::SourceDocument>, rstudio::core::json::Object*) C:\Users\Administrator\rstudio\src\cpp\session\modules\SessionSource.cpp:87
09 Nov 2018 03:45:46 [rsession-shill] ERROR jsonrpc error 5 (Invalid json or unexpected error occurred while parsing); OCCURRED AT: rstudio::core::Error rstudio::session::modules::rmarkdown::notebook::getChunkJson(const rstudio::core::FilePath&, rstudio::core::json::Object*) C:\Users\Administrator\rstudio\src\cpp\session\modules\rmarkdown\NotebookChunkDefs.cpp:140; LOGGED FROM: void rstudio::session::modules::source::{anonymous}::writeDocToJson(rstudio_boost::shared_ptr<rstudio::session::source_database::SourceDocument>, rstudio::core::json::Object*) C:\Users\Administrator\rstudio\src\cpp\session\modules\SessionSource.cpp:87
09 Nov 2018 14:53:21 [rsession-shill] ERROR jsonrpc error 5 (Invalid json or unexpected error occurred while parsing); OCCURRED AT: rstudio::core::Error rstudio::session::modules::rmarkdown::notebook::getChunkJson(const rstudio::core::FilePath&, rstudio::core::json::Object*) C:\Users\Administrator\rstudio\src\cpp\session\modules\rmarkdown\NotebookChunkDefs.cpp:140; LOGGED FROM: void rstudio::session::modules::source::{anonymous}::writeDocToJson(rstudio_boost::shared_ptr<rstudio::session::source_database::SourceDocument>, rstudio::core::json::Object*) C:\Users\Administrator\rstudio\src\cpp\session\modules\SessionSource.cpp:87
09 Nov 2018 15:13:51 [rsession-shill] WARNING Excluded unsafe source document (C:/SAM/DASHBOARDMARKDOWNMASTER3.Rmd): File is binary (has null byte sequence); LOGGED FROM: void rstudio::session::source_database::logUnsafeSourceDocument(const rstudio::core::FilePath&, const string&) C:\Users\Administrator\rstudio\src\cpp\session\SessionSourceDatabase.cpp:678
我刚刚安装了Rstudio的最新版本。
有什么想法吗？