Hi CHALLAHEMANTH, You may try below steps to get rid off the error:
1. Take the backup of the '*pgadmin4.db*' file and then delete it. 2. Restart the pgAdmin4 Regards, Rahul Shirsat. On Mon, May 17, 2021 at 9:31 PM CHALLAHEMANTH <hemasonofcsrgk1...@gmail.com> wrote: > I am trying to install Postgre SQl on windows 10 but after installation, I > am > getting a window named > > The pgAdmin 4 server could not be contacted: > > The details inside the window are > > pgAdmin Runtime Environment > -------------------------------------------------------- > Python Path: "C:\Program Files\PostgreSQL\13\pgAdmin 4\python\python.exe" > Runtime Config File: > "C:\Users\hp\AppData\Roaming\pgadmin\runtime_config.json" > pgAdmin Config File: "C:\Program Files\PostgreSQL\13\pgAdmin > 4\web\config.py" > Webapp Path: "C:\Program Files\PostgreSQL\13\pgAdmin 4\web\pgAdmin4.py" > pgAdmin Command: "C:\Program Files\PostgreSQL\13\pgAdmin > 4\python\python.exe > -s C:\Program Files\PostgreSQL\13\pgAdmin 4\web\pgAdmin4.py" > Environment: > - ALLUSERSPROFILE: C:\ProgramData > - APPDATA: C:\Users\hp\AppData\Roaming > - CHROME_CRASHPAD_PIPE_NAME: \\.\pipe\crashpad_5852_YIMDLVLENKCBOENT > - CHROME_RESTART: NW.js|Whoa! NW.js has crashed. Relaunch > now?|LEFT_TO_RIGHT > - CommonProgramFiles: C:\Program Files\Common Files > - CommonProgramFiles(x86): C:\Program Files (x86)\Common Files > - CommonProgramW6432: C:\Program Files\Common Files > - COMPUTERNAME: DESKTOP-TK8J1MC > - ComSpec: C:\WINDOWS\system32\cmd.exe > - DriverData: C:\Windows\System32\Drivers\DriverData > - FPS_BROWSER_APP_PROFILE_STRING: Internet Explorer > - FPS_BROWSER_USER_PROFILE_STRING: Default > - HOMEDRIVE: C: > - HOMEPATH: \Users\hp > - LOCALAPPDATA: C:\Users\hp\AppData\Local > - LOGONSERVER: \\DESKTOP-TK8J1MC > - NUMBER_OF_PROCESSORS: 4 > - OneDrive: C:\Users\hp\OneDrive > - OS: Windows_NT > - Path: > > C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\OpenSSH\;C:\Program > Files\Java\jdk\bin;C:\Program > Files\Java\jre\bin;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program > Files\Microsoft SQL > > Server\130\Tools\Binn\;G:\MATLAB\R2021a\bin;C:\Users\hp\AppData\Local\Programs\Python\Python38\Scripts\;C:\Users\hp\AppData\Local\Programs\Python\Python38\;C:\Python27;C:\Python27\Scripts;C:\Program > Files\JetBrains\PyCharm Community Edition > > 2020.2\bin;;C:\Users\hp\AppData\Local\Microsoft\WindowsApps;;C:\Users\hp\AppData\Local\Programs\Microsoft > VS Code\bin > - PATHEXT: .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC > - PGADMIN_INT_KEY: 4f99a0f6-11d8-4b90-8d64-96f9d2eda282 > - PGADMIN_INT_PORT: 51575 > - PGADMIN_SERVER_MODE: OFF > - PROCESSOR_ARCHITECTURE: AMD64 > - PROCESSOR_IDENTIFIER: Intel64 Family 6 Model 78 Stepping 3, > GenuineIntel > - PROCESSOR_LEVEL: 6 > - PROCESSOR_REVISION: 4e03 > - ProgramData: C:\ProgramData > - ProgramFiles: C:\Program Files > - ProgramFiles(x86): C:\Program Files (x86) > - ProgramW6432: C:\Program Files > - PSModulePath: C:\Program > > Files\WindowsPowerShell\Modules;C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules > - PUBLIC: C:\Users\Public > - PyCharm Community Edition: C:\Program Files\JetBrains\PyCharm Community > Edition 2020.2\bin; > - SESSIONNAME: Console > - SystemDrive: C: > - SystemRoot: C:\WINDOWS > - TEMP: C:\Users\hp\AppData\Local\Temp > - TMP: C:\Users\hp\AppData\Local\Temp > - USERDOMAIN: DESKTOP-TK8J1MC > - USERDOMAIN_ROAMINGPROFILE: DESKTOP-TK8J1MC > - USERNAME: hp > - USERPROFILE: C:\Users\hp > - VBOX_MSI_INSTALL_PATH: C:\Program Files\Oracle\VirtualBox\ > - windir: C:\WINDOWS > -------------------------------------------------------- > > Traceback (most recent call last): > File "C:\Program Files\PostgreSQL\13\pgAdmin 4\web\pgAdmin4.py", line 98, > in <module> > app = create_app() > File "C:\Program Files\PostgreSQL\13\pgAdmin 4\web\pgadmin\__init__.py", > line 347, in create_app > if not os.path.exists(SQLITE_PATH) or get_version() == -1: > File "C:\Program Files\PostgreSQL\13\pgAdmin > 4\web\pgadmin\setup\db_version.py", line 19, in get_version > return version.value > AttributeError: 'NoneType' object has no attribute 'value' > > > > > I am unable to even understand whats the thing that I can do. I am hoping > for help from you. Please look into this. > > > > > -- > Sent from: > https://www.postgresql-archive.org/PostgreSQL-pgadmin-support-f2191615.html > > > -- *Rahul Shirsat* Senior Software Engineer | EnterpriseDB Corporation.
