I'm hoping someone here uses SSRS and has encountered this before.

I've got a client with SQL Server 2014, they also use SSRS and asked me to create a new report to get automatically run every week.

I created the report on my computer using Report Designer but when they tried to import it into their server using the web interface, they got this error:

The definition of this report is not valid or supported by this version of Reporting Services. The report definition may have been created with a later version of Reporting Services, or contain content that is not well-formed or not valid based on Reporting Services schemas. Details: The report definition has an invalid target namespace 'http://schemas.microsoft.com/sqlserver/reporting/2016/01/reportdefinition' which cannot be upgraded. (rsInvalidReportDefinition)

So, I figured, it's a simple listing I'll just create it on their computer directly. I did that and then when they try to import the report, they get the same message.

I have tried following this: https://stackoverflow.com/questions/36272514/the-report-definition-has-an-invalid-target-namespace-rsinvalidreportdefinition/37548615

but that hasn't helped either.

Any ideas?