VCS and its general settings
The version control system used in your project or in its parts and the general version control settings applied to your project are specified on the Version Control page of the Settings dialog box. To access the page, choose , and then click Version Control in the Settings dialog box that opens.
A screenshot is helpful:

Subversion settings
Subversion-specific settings are configured on the Subversion page, under the Version Control node, in the Settings dialog box. To access the page, choose , click Version Control in the Settings dialog box that opens, and then click
A screenshot is also helpful:

Module structure
The module structure is configured on the Modules page of the Project Structure dialog box. To access the dialog box, choose on the main menu, click Modules under the Project Settings, and then click the relevant module. For more details, see topic Configuring Project Structure.
A screenshot is helpful:

The format of the local working copy
The format of a working copy is the Subversion format in compliance with which the working copy was created. To view the format of a working copy, choose on the main menu. In the Changes tool window that opens, switch to the Subversion Working Copies Information tab.
A screenshot is helpful:

The parent folders of the branches used
To view the configuration of branches, in the Subversion Working Copies Information tab of the Changes tool window, click the Configure Branches link.
Provide a screenshot:

PhpStorm log
The PhpStorm log is stored in the <IDEA-HOME>/system/logs directory. Archive the contents of the folder and attach it to your support request. To open the folder with PhpStorm logs, choose .

If the data saved in the PhpStorm logs is not sufficient to solve the problem and the problem is related to communication protocol or authentication, enable svnkit logging, reproduce the problem, and attach the idea.log.
To enable svnkit logging, add -Djavasvn.log=true to one of the following files depending on the operating system used:
- for Windows: idea.exe.vmoptions in <IDEA-INSTALLATION>/bin
- for Linux: idea.vmoptions in in <IDEA-INSTALLATION>/bin
-
for Mac OS: http://stackoverflow.com/a/13581526/72788
