msilverman Posted March 30 Share Posted March 30 I've recently upgraded to IDE 4, and have been unable to load my project solution files, despite accepting the file upgrade. The errors I've received are: Error - value cannot be null, parameter name: url The option to use new PDO mapping name has been set to false because this project may have a program that uses existing name format. Please change the option on the property of the project to use the new format. When I try to go to the property settings of the project within the IDE, it says there are no properties. Any idea what this is trying to have me do and how to work around it? Quote Link to comment Share on other sites More sharing options...
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