You just have to clean it and do it over.
I advise Tamiya Laque Thinner.
I remember how to prime without an airbrush with a shiver, not very accurate process.
You might want to find optimal distance when using spray and try to prime in several thin layers, that way you have more control. Also dont hold spray on a single spot use X movements, or the resulting layer will be to thick and ugly.
The Dance of Death begins - embraces, caresses, and kisses,
The Harlequin loves you as you fall over in pieces!