Report Builder error "The request failed with an empty response" - reporting-services

I am getting following error "The request failed with an empty response"
when I try to add a shared connection in Report Builder.
Same error happened when I try to save the report on SSRS.
Do you have any idea what can be the issue?
Note Creating the report with embedded and uploading the report from SSRS Portal I have no problem.
error creating shared connection
error deploying on SSRS

According to your screenshot I think you're connected to the SSRS Web Portal URL. You need to change it to your SSRS Web Service URL. Just click 'Disconnect' in your status bar and then click 'Connect'. In the 'Connect to Report Server' dialog enter your SSRS Web Service URL which should be http://<reportservername>/ReportServer.

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SSRS 2219 showing message "You are not allowed to view this folder. Contact your administrator to obtain the necessary permissions."

I have newly configured SSRS 2019 and when I log in to the web portl.im getting this message and I can not perform anything in the portal. I have used my windows domain account to install SSRS and I have no idea since I should be the administrator.
SSRS message
unknown message appear .I was expecting to log in to the portal and use the SSRS.

Adding "maxRequestLenght" parameter causes internal server error in SSRS 2016

I am trying to run a report in SSRS 2016. After running the report, it throws "Maximum request lenght exceeded".
So, I've found a possoble solution as to put "maxRequestLenght" into web.config file in Report Server directory.
I've changed this line to the following:
<httpRuntime executionTimeout="9000" requestValidationMode="2.0" maxRequestLenght="10000" />
and restarted the Reporting Services service (in Reporting Services Configuration Manager).
After restart I am trying to run the report again and I am getting "HTTP 500 The website cannot display the page"
Restarting SQL, rerstarting SSRS, restarting Windows didnt help

SSRS Configuration Error; Invalid PBI Configuration

I got this issue on one of my machines when I installed MSSQL Server 2016 with SSIS, SSAS and SSRS.
SSIS and SSAS is working fine but SSRS does not.
After the installation, I opened the Reporting Services Configuration Manager and leave everything to default. This usually the end of it, but for some reason when opening the Portal, I got this:
When I check the log, the error is
ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: Invalid PBI Configuration, Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ;
What is Invalid PBI Configuration? And how do I identify the problem?
Thank you in advance.
Took a while to sort this out, but it's a simple fix.
Open SQL Server Reporting Services Configuration Manager
Click on Web Service URL menu and make sure that the URL's match the ones located in Web Portal URL menu.
If they're different, open the rsreportserver.config file (C:\Program Files\Microsoft SQL Server Reporting Services\SSRS\ReportServer) and remove any entries not listed in Web Service URL.
Open your web portal ie. http://localhost/Reports and see if it's resolved. If so, all done.
If not, click the Encryption Keys menu, in the "Delete Encrypted Content" section, click "Delete".
Open your web portal again and see if it's resolved.
Locate and update your datasource credentials.

Publish reports from VS2015 Error shows wrong URL

I added a report project to my existing solution in VS2015, built some reports and now I am trying to deploy the project to a report server. I have gotten the URL from the config manager ( http://MyServer/ReportServer_SQLEXPRESS ) and put that in the report project properties as the target server URL.
When I click Deploy I get an error saying "The specified report server http://localhost/reportserver could ot be found.
I have no idea where it is getting this localhost reportserver URL from, that is not what is saved in the properties. The Report project is inside a solution with an MVC project. Do I need to change something at the Solution level?
Turned out I had to run VS as an administrator, I assume because of the permission on the remote server.

How to open report server manager from web browser once database is deleted?

I've created a few reports in report server. Also I've added a data source to that rdl file. Now when suddenly I deleted a database of store procedures used by my rdl file, when I am trying to browse report server manger through Internet Explorer via a URL like http://pct107/ReportServer_SQL2014, this page doesn't get loaded and shows me the below error.
The report server cannot open a connection to the report server database. A connection to the database is required for all requests and processing. (rsReportServerDatabaseUnavailable) Get Online Help
Cannot open database "Testing" requested by the login. The login failed. Login failed for user 'sa'.
How to resolve this event? I'm not able to see any content except the above error message.
If you open the location where MSReportBuilder.exe is installed there's a file called "MSReportBuilder.exe.config". You can delete this file with Report Builder closed (or save a copy to be on the safe side) then re-open Report Builder. This will stop it trying to automatically log into the server.