Most likely you have some system-specific include directories missing in your settings which makes it impossible for indexer to correctly parse iostream, thus the errors. Selecting Index -> Search For Unresolved Includes in the context menu of the project will give you the list of unresolved includes which you can search in /usr/include and add … Read more
Sometimes the current directory isn’t what you expect it to be, such as when you include a file from an included file. I like to use $_SERVER[‘DOCUMENT_ROOT’] on my includes so that I can always reference them absolutely from the root of my site: If your includes directory is above your document root, you can use .. to still … Read more
There are many reasons why one might run into this error and thus a good checklist of what to check first helps considerably. Let’s consider that we are troubleshooting the following line: