InfoPath Dev

 YES !!!! I've found what it was, There was a field that was set as Person/Group which wasn't accepted ofcourse :) You've been really a great help, Thx Hilary :)  

Can I get a screenshot of the list settings where it shows the column names and data types? Again, you can attach it under the Options tab.

 Here's the error I recieve :   an error occurred adding a new item: Invalid data has been used to update the list item. The field you are trying to update may be read only.

 Nope, I'll do now & corrected the field

One more thing - I see in your mapping that you have SampleCode mapped to a SharePoint column called DesiredTestCompletionDate. Is that column a date type in SharePoint? Because that would probably throw an error, if you submit non date data to a date column.

Thanks - when you tested to see if there is an error, did you remove the rule action to close the form? Since the QdabraRules data source is a secondary data source, the error will only be present for that session.

 Here it is :-)

Can I see your form? You can attach it under the Options tab in a reply.

There nothing in the in the fields unfortunately

Okay, I think I understand what you are saying. If the form has its code, the SubmitToSharePointList command fails (doesn't create the list items) and if it does NOT have the code, the SubmitToSharePointList command succeeds (DOES create the list items). Is that correct? If you look at the QdabraRules data source, you'll see there is an ...