Hi Durai You can do the following to get rid of the error:
- Take the backup of the '*pgadmin4.db*' file and then delete it. - Restart the pgAdmin4 Have you upgraded your existing pgAdmin setup or it's a fresh installation? On Mon, May 17, 2021 at 9:31 PM Durai Raj <ganesdu...@gmail.com> wrote: > Hi Support Team, > > Am facing an error below, when I am trying to open a pgAdmin application > upon installation. Please find a Traceback and help me to resolve the issue > asap. > > Fatal Error > --------------- > > The pgAdmin 4 server could not be contacted: > > pgAdmin Runtime Environment > -------------------------------------------------------- > Python Path: "C:\Program Files\pgAdmin 4\v5\python\python.exe" > Runtime Config File: > "C:\Users\user\AppData\Roaming\pgadmin\runtime_config.json" > pgAdmin Config File: "C:\Program Files\pgAdmin 4\v5\web\config.py" > Webapp Path: "C:\Program Files\pgAdmin 4\v5\web\pgAdmin4.py" > pgAdmin Command: "C:\Program Files\pgAdmin 4\v5\python\python.exe -s > C:\Program Files\pgAdmin 4\v5\web\pgAdmin4.py" > Environment: > - ALLUSERSPROFILE: C:\ProgramData > - APPDATA: C:\Users\user\AppData\Roaming > - CHROME_CRASHPAD_PIPE_NAME: \\.\pipe\crashpad_7784_RLPSVXJGZLPKGNHB > - 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: OMLT0009 > - ComSpec: C:\Windows\system32\cmd.exe > - DriverData: C:\Windows\System32\Drivers\DriverData > - HOMEDRIVE: C: > - HOMEPATH: \Users\user > - LOCALAPPDATA: C:\Users\user\AppData\Local > - LOGONSERVER: \\OMLT0009 > - NUMBER_OF_PROCESSORS: 8 > - OneDrive: C:\Users\user\OneDrive > - OneDriveConsumer: C:\Users\user\OneDrive > - OS: Windows_NT > - Path: > C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program > Files\dotnet\;C:\Program Files\Microsoft SQL > Server\130\Tools\Binn\;C:\Program Files\Microsoft SQL Server\Client > SDK\ODBC\170\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL > Server\150\Tools\Binn\;C:\Program Files\Microsoft SQL > Server\150\Tools\Binn\;C:\Program Files\Microsoft SQL > Server\150\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL > Server\150\DTS\Binn\;C:\Program Files\Azure Data > Studio\bin;C:\Users\user\AppData\Local\Programs\Python\Python39\Scripts\;C:\Users\user\AppData\Local\Programs\Python\Python39\;C:\Users\user\AppData\Local\Microsoft\WindowsApps;C:\Users\user\.dotnet\tools;C:\Program > Files\Azure Data Studio\bin > - PATHEXT: .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC > - PGADMIN_INT_KEY: f2718e3f-e66a-47e0-ba1c-4e4020105e4d > - PGADMIN_INT_PORT: 56458 > - PGADMIN_SERVER_MODE: OFF > - PROCESSOR_ARCHITECTURE: AMD64 > - PROCESSOR_IDENTIFIER: Intel64 Family 6 Model 142 Stepping 10, > GenuineIntel > - PROCESSOR_LEVEL: 6 > - PROCESSOR_REVISION: 8e0a > - 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;C:\Program > Files (x86)\Microsoft SQL Server\150\Tools\PowerShell\Modules\ > - PUBLIC: C:\Users\Public > - SESSIONNAME: Console > - SystemDrive: C: > - SystemRoot: C:\Windows > - TEMP: C:\Users\user\AppData\Local\Temp > - TMP: C:\Users\user\AppData\Local\Temp > - USERDOMAIN: OMLT0009 > - USERDOMAIN_ROAMINGPROFILE: OMLT0009 > - USERNAME: user > - USERPROFILE: C:\Users\user > - windir: C:\Windows > -------------------------------------------------------- > > Traceback (most recent call last): > File "C:\Program Files\pgAdmin 4\v5\web\pgAdmin4.py", line 98, in > <module> > app = create_app() > File "C:\Program Files\pgAdmin 4\v5\web\pgadmin\__init__.py", line 347, > in create_app > if not os.path.exists(SQLITE_PATH) or get_version() == -1: > File "C:\Program Files\pgAdmin 4\v5\web\pgadmin\setup\db_version.py", > line 19, in get_version > return version.value > AttributeError: 'NoneType' object has no attribute 'value' > > > Regards, > Durai Raj G > Cell: +91 99 44 225432 > > -- *Thanks & Regards* *Akshay Joshi* *pgAdmin Hacker | Principal Software Architect* *EDB Postgres <http://edbpostgres.com>* *Mobile: +91 976-788-8246*
