Eduard J Posted March 25, 2019 Share Posted March 25, 2019 Hi, I have an issue with following error message in error log every time I try to checkout with promotional code: classes/user.class.php:250 - Call to a member function setError() on null Not sure what it means and how exactly this is effecting my store and how this can be solved. If anyone is able to advise please help. Thanks Link to comment Share on other sites More sharing options...
Al Brookbanks Posted March 25, 2019 Share Posted March 25, 2019 It sounds like you haven't upgraded fully and there are a mix and match of old and new files. Link to comment Share on other sites More sharing options...
Eduard J Posted March 25, 2019 Author Share Posted March 25, 2019 Hi Al, I've downloaded the latest version and using FTP updated the website, followed the on screen instructions for update all went through fine as before. Is there any way to fix it ? Link to comment Share on other sites More sharing options...
bsmither Posted March 25, 2019 Share Posted March 25, 2019 This error message is being generated where CubeCart is authenticating a user during an attempt to login. The error message is actually complaining that the GUI class has not been instantiated, or has already been destroyed, when some other code is wanting to log in (authenticate) the user. The best way to solve this is to add some diagnostic code to find out exactly the sequence of the executing code, to know what caused this predicament. Do you have any plugins that enhance the way customers are treated? Link to comment Share on other sites More sharing options...
Eduard J Posted March 25, 2019 Author Share Posted March 25, 2019 Hi, No, I always had issues with promotional codes some orders are getting through ok but some fail, and that's the error message ofter you try checking out. I'm using sagepay and paypal payment methods. Thanks Link to comment Share on other sites More sharing options...
bsmither Posted March 25, 2019 Share Posted March 25, 2019 So, you have always had problems, and a symptom of the problem has always been this error message. It needs to be solved, and I am keen to solve it - if you are willing to participate. Link to comment Share on other sites More sharing options...
Eduard J Posted March 25, 2019 Author Share Posted March 25, 2019 I always had problems with promo codes. Not sure if same error. I have been with cc from version 3 all i did is went up with upgrades till version 6. It might be some files and folders maybe which should not be there. If u can help i will do what u ask me for. Thanks Link to comment Share on other sites More sharing options...
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