error while creating sales order(FormRun (data source) has no valid runable code in ...")

When you try to create a slaes order in ax  the you might get a error like " FormRun (data source) has no valid runable code in method"

In such scenerio please compile the salestable form

then you might get a set of error and warning please remove the errors the form will work fine 

or else delete the sales table form in AOT and then the system automatically will remove the error.